按照牛津雅思学术风格整理，包含 IPA + 释义 + 例句 + 同义词 + 派生词：
cloak
/kləʊk/
n.; v.
n. 斗篷；掩饰
v. 掩盖；隐藏
例句： He wore a dark cloak to the party.
同义词： mantle, cover, disguise
派生词： cloaked (adj.), cloaking (v.)
clock
/klɒk/
n.; v.
n. 时钟；钟表
v. 记录时间；计时
例句： She glanced at the clock to check the time.
同义词： timepiece, watch
派生词： clocked (v.), clocking (n.)
clockwise
/ˈklɒk.waɪz/
adj.; adv.
顺时针方向的
例句： Turn the handle clockwise to open the door.
同义词： —
派生词： —
close
/kləʊz/ (v.) /kləʊs/* (adj.)
v. 关闭；结束
adj. 接近的；亲密的
例句： Please close the door quietly.
同义词： shut, near, intimate
派生词： closed (adj.), closely (adv.), closeness (n.)
closed
/kləʊzd/
adj.
关闭的；封闭的
例句： The shop is closed on Sundays.
同义词： shut, sealed, locked
派生词： close (v.), closure (n.)
closedown
/ˈkləʊz.daʊn/
n.
停业；关闭
例句： The factory had a sudden closedown due to financial issues.
同义词： shutdown, cessation, termination
派生词： close (v.)
closely
/ˈkləʊs.li/
adv. 紧密地；仔细地
例句： They worked closely together on the project.
同义词： carefully, attentively, intimately
派生词： close (adj./v.), closeness (n.)
closet
/ˈklɒz.ɪt/
n. 壁橱；私室
例句： She keeps her coats in the closet.
同义词： cupboard, wardrobe, cabinet
派生词： —
cloth
/klɒθ/
n. 布料；织物
例句： The tailor cut the cloth carefully for the dress.
同义词： fabric, material, textile
派生词： clothing (n.), clothe (v.)
clothe
/kləʊð/
v. 给…穿衣；覆盖
例句： The villagers clothe themselves in traditional garments.
同义词： dress, outfit, attire
派生词： clothing (n.), clothed (adj.), clothes (n.)
clothes
/kləʊðz/
n. pl. 衣服；服装
例句： She bought new clothes for the party.
同义词： garments, attire, apparel
派生词： clothe (v.), clothing (n.)
clothing
/ˈkləʊ.ðɪŋ/
n. 衣物；服装
例句： Winter clothing is essential in cold climates.
同义词： apparel, garments, attire
派生词： clothe (v.), clothes (n.)
按照牛津雅思学术风格整理，包含 IPA + 释义 + 例句 + 同义词 + 派生词：
cloud
/klaʊd/
n.; v.
n. 云；阴影
v. 使…模糊；蒙上阴影
例句： Dark clouds gathered before the storm.
同义词： nebula, haze, mist
派生词： cloudy (adj.), clouded (adj./v.), clouding (v.)
cloudy
/ˈklaʊ.di/
adj.
多云的；模糊的
例句： The sky is cloudy today, so it might rain.
同义词： overcast, murky, dim
派生词： cloud (n./v.), cloudiness (n.)
clown
/klaʊn/
n.; v.
n. 小丑；滑稽人物
v. 扮小丑；胡闹
例句： The clown entertained the children at the circus.
同义词： jester, fool, comic
派生词： clownish (adj.), clowning (v.)
club
/klʌb/
n.; v.
n. 俱乐部；棍棒
v. 用棍棒打
例句： He joined a chess club at school.
同义词： association, society, organization
派生词： clubbing (n./v.)
clue
/kluː/
n. 线索；提示
例句： The detective followed every clue to solve the case.
同义词： hint, lead, indication
派生词： —
clumsy
/ˈklʌm.zi/
adj.
笨拙的；不灵活的
例句： He made a clumsy attempt to fix the machine.
同义词： awkward, ungraceful, inept
派生词： clumsily (adv.), clumsiness (n.)
cluster
/ˈklʌs.tər/
n.; v.
n. 丛；簇
v. 聚集；成群
例句： A cluster of stars shone brightly in the night sky.
同义词： group, bunch, collection
派生词： clustering (n./v.), clustered (adj.)
clutch
/klʌtʃ/
n.; v.
n. 抓住；离合器
v. 抓紧；紧握
例句： She clutched her bag as she walked through the crowd.
同义词： grasp, grip, hold
派生词： clutching (v.), clutched (adj.)
按照牛津雅思学术风格整理，包含 IPA + 释义 + 例句 + 同义词 + 派生词：
c/o
/ˌsiː ˈəʊ/
abbr.
“care of”，用于邮寄时表示“由…转交”
例句： Please send the letter to John Smith, c/o Mary Jones.
同义词： —
派生词： —
coach
/kəʊtʃ/
n.; v.
n. 教练；长途公共汽车
v. 指导；训练
例句： She was coached for the upcoming tennis tournament.
同义词： trainer, instructor, mentor
派生词： coaching (n./v.), coached (adj.)
coal
/kəʊl/
n.; v.
n. 煤
v. 供煤；加煤
例句： Coal is an important source of energy.
同义词： —
派生词： coaling (v.), coal-fired (adj.)
coarse
/kɔːs/
adj.
粗糙的；粗俗的
例句： The fabric feels coarse to the touch.
同义词： rough, crude, harsh
派生词： coarsely (adv.), coarseness (n.)
coast
/kəʊst/
n.; v.
n. 海岸
v. （车辆等）滑行；顺势前进
例句： They walked along the rocky coast.
同义词： shore, seaside, seaboard
派生词： coastal (adj.), coastline (n.)
coastal
/ˈkəʊ.stəl/
adj.
沿海的；海岸的
例句： Coastal areas are vulnerable to hurricanes.
同义词： seaboard, littoral, shore
派生词： coast (n./v.), coastland (n.)
coat
/kəʊt/
n.; v.
n. 外套；涂层
v. 涂上；覆盖
例句： He wore a thick coat in winter.
同义词： jacket, layer, covering
派生词： coated (adj.), coating (n./v.)
cock
/kɒk/
n.; v.
n. 公鸡；阀门
v. 翘起；竖起
例句： The cock crowed at dawn.
同义词： rooster (n.)
派生词： cockerel (n.), cocked (adj.)
cocktail
/ˈkɒk.teɪl/
n.
鸡尾酒；混合物
例句： He ordered a gin cocktail at the bar.
同义词： mixed drink, aperitif
派生词： cocktail party (n.)
code
/kəʊd/
n.; v.
n. 代码；法典
v. 编码；制定法典
例句： The software engineer wrote the code for the program.
同义词： cipher, script, protocol
派生词： codify (v.), coding (n.)
codify
/ˈkəʊ.dɪ.faɪ/
v.
整理；系统化；编纂
例句： The laws were codified in a single document.
同义词： systematize, organize, classify
派生词： codification (n.), codified (adj.)
coefficient
/ˌkəʊ.ɪˈfɪʃ.ənt/
n.
系数；比例因子
例句： The coefficient in this equation determines the slope of the line.
同义词： factor, multiplier, parameter
派生词： —
以下词汇均按 IPA + 释义 + 例句 + 同义词 + 派生词 的学术格式整理：
coffee
/ˈkɒf.i/
n.
咖啡；咖啡饮料
例句： She drinks a cup of coffee every morning.
同义词： espresso, latte, brew
派生词： coffee shop, coffee maker
coffin
/ˈkɒf.ɪn/
n.
棺材
例句： The coffin was carried into the church for the funeral.
同义词： casket
派生词： —
coherence
/kəʊˈhɪə.rəns/
n.
连贯性；一致性
例句： The essay lacks coherence in its arguments.
同义词： consistency, logic, unity
派生词： coherent (adj.), coherently (adv.)
coherent
/kəʊˈhɪə.rənt/
adj.
连贯的；有条理的
例句： She gave a coherent explanation of the issue.
同义词： logical, consistent, rational
派生词： coherence (n.), coherently (adv.)
cohesion
/kəʊˈhiː.ʒən/
n.
凝聚力；团结；紧密结合
例句： Team cohesion is essential for success.
同义词： unity, solidarity, bond
派生词： cohesive (adj.), cohesively (adv.)
cohesive
/kəʊˈhiː.sɪv/
adj.
有凝聚力的；有结合力的
例句： The group worked as a cohesive unit.
同义词： unified, connected, integrated
派生词： cohesion (n.)
coil
/kɔɪl/
n.; v.
n. 线圈；卷
v. 卷绕；盘起
例句： He coiled the rope neatly.
同义词： curl, twist, loop
派生词： coiled (adj.)
coin
/kɔɪn/
n.; v.
n. 硬币
v. 创造（新词）
例句： The term was coined in the 19th century.
同义词： currency, money, mint
派生词： coinage (n.)
coinage
/ˈkɔɪ.nɪdʒ/
n.
硬币体系；新创词语
例句： The coinage of new technical terms is common.
同义词： monetary system; neologism
派生词： coin (n./v.)
coincide
/ˌkəʊ.ɪnˈsaɪd/
v.
同时发生；相符
例句： Their views coincide on most issues.
同义词： correspond, match, concur
派生词： coincidence (n.), coincident (adj.)
coincidence
/kəʊˈɪn.sɪ.dəns/
n.
巧合；一致
例句： It was a coincidence that they met again abroad.
同义词： chance, accident, concurrence
派生词： coincidental (adj.), coincident (adj.)
coincident
/kəʊˈɪn.sɪ.dənt/
adj.
一致的；同时发生的
例句： Their opinions are coincident in many areas.
同义词： concurrent, simultaneous, matching
派生词： coincidence (n.), coincidentally (adv.)
coldness
/ˈkəʊld.nəs/
n.
寒冷；冷淡
例句： She felt the coldness of the night air.
同义词： chill, coolness, indifference
派生词： cold (adj.), coldly (adv.)
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