copper

英 ['k?p?] 美['kɑp?]

CET4TEM4考研TOEFLCET6中低頻詞核心詞匯

復(fù)數(shù):?coppers;

copper 銅

來自拉丁詞Cyprian, 因產(chǎn)自Cyprus而得名。

copper: copper: [OE] A major source of copper in the ancient world was the Mediterranean island of Cyprus, so the Romans called it cyprium aes ‘metal of Cyprus’. This became cuprum in late Latin, from which it was borrowed into prehistoric West and North Germanic as *kupar, source of Old English coper. (Copper the slang term for ‘policeman’ [19] is simply the agent noun formed from the verb cop ‘seize’, which probably comes via Old French caper from Latin capere ‘seize, take’, source of English capture.)
copper (n.1): malleable metallic element, Old English coper, from Proto-Germanic *kupar (cognates: Middle Dutch koper, Old Norse koparr, Old High German kupfar), from Late Latin cuprum, contraction of Latin Cyprium (aes) "Cyprian (metal)," after Greek Kyprios "Cyprus" (see Cyprus).

Latin aes originally was "copper," but this was extended to its alloy with tin, bronze, and as this was far more extensively used than pure copper, the word's primary sense shifted to the alloy and a new word evolved for "copper," from the Latin form of the name of the island of Cyprus, where copper was mined. Aes passed into Germanic (which originally did not distinguish copper from its alloys) and became English ore. In Latin, aes was the common word for "cash, coin, debt, wages" in many figurative expressions. Chemical symbol Cu is from cuprum.
copper (n.2): "policeman," 1846; agent noun from cop (v.).

1. The combination of sex and treachery proved a copper-bottomed circulation booster.: 事實(shí)證明，性和背叛的話題結(jié)合起來無疑大大增加了發(fā)行量。

2. Copper, brass and aluminium are separated and remelted for reuse.: 銅、黃銅和鋁被分門別類重新熔化以進(jìn)行再利用。

3. Miners in Zambia's northern copper belt have gone on strike.: 贊比亞北部銅礦帶的礦工已經(jīng)罷工了。

4. The government pre-empted a threatened strike at the state-owned copper company.: 政府先發(fā)制人，制止了國有銅礦公司可能發(fā)生的一次罷工。

5. We tried to grow some copper sulphate crystals with our children.: 我們想跟孩子們一起制作硫酸銅晶體。