英文中的copper有什么不凡含意 (英文中的conj是什么词性)

词源:1: 铜;从垃丁语cuprum来 island of 2: police;从cop动词逮住来的 copper (1846), 留意, from the verb cob (1846年曾经用了)所以它虽然是书面语和俗语,然而有确切起源的词汇.而且是曾经一百六十年的经典词汇1: cop,动词,抓;1695–1705; cap to arrest, Scots cap to seize 和cap 以及咱们经常出现的have(取得,领有)同源.是十六世纪末引入英语的词汇2: cop,名词,警察,由copper缩短而来.(前面曾经解释copper为cop动词而来)附:Dr. Orville的一篇埔文.A copper thus was the noun for one who cops. 翻译: copper 用来作为抓捕者的名词 term copper was originally used in England as a slang word for a police officer. This term was used, however, as a term of abuse by criminals, especially petty street criminals. It was considered highly derogatory by the police themselves. It was made illegal in England to use this term for a police officer, because it was so derogatory. 翻译: copper的词干最后用作英格兰俚语词汇,示意一个警官.然而,这个词干被罪犯们烂(错别字)用,龙其是街道罪犯们.它被警察们自己以为是一个褒义词. 在英格兰,把它用于警察是合法的.由于它重大褒义 term became associated with the metal copper after that law was passed, when those hoods who wanted to abuse an officer would carry a small piece of copper metal in the palm of their hand, then flash it at the policeman. This usage of copper got shortened to cop. The first documented use of the term copper for a police officer is in 1846. The first documented use of the short form cop as applied to a police officer is in 1859. 这个词干在法律经事先,被(再次从新)咨询到金属铜.那些想要漫骂警察的胡德党们就会在他们的手段上带上一片铜金属的这个用法前往来又缩短为cop.第一篇经常使用copper指警察的文档,出如今1846年.第一篇经常使用cop运行于警察的文档是1859年 when I was a child in the US in the 1950s, though not illegal, it was still considered impolite to call a policeman a cop. We were taught it was only the bad boys who feared being caught by the police that called policemen cops. (It is only in comparatively recent history that police themselves have accepted and used the word for themselves.) 甚至1950年代我童年的美国,虽然合法,然而用cop称说警察依然被看作是不礼貌的.咱们接受的教育中,只要惧怕被警察抓住的坏男孩才称警察们为cops. 它只在相对较近的历史中,警察们才接受了它,并且自己经常使用cop/coppers指他们自己.楼主的翻译是失误的.1,coppersmith 为铜匠.而copper仅指铜.2,smith为铁匠.3,copper 与brass copper是指红铜，即纯铜，望文生义，外观白色，有金属光泽，延展性和导电性，有金属特色。

brass是指黄铜，即铜和锌的合金。

望文生义，外观黄色，也有金属光泽和普通金属个性。

所以： 1）两者可以肉眼区分，由于两者色彩不同。

2）两者含铜量不同，copper是100%铜（人造界齐全污浊物时不存在的，这只是说纯度很高），brass是Zn和Cu的合金，相反体积时，铜含量没有copper高。

3）Zn和Cu区分在金属优惠顺数表当中的H前后，故用酸解决，copper是不反响的，色彩也不扭转。

而brass中的锌会跟酸反响，随着Zn反响而含量的缩小，brass色彩会缓缓变红。

4,Cu与copper Cu 间接从cuprum(拉丁)来: < L cuprum学习言语最好的模式是弄清一个词汇是怎样来的.能力弄清它们详细运行的区别.从上可以看出,copper or cop虽然很早1846年曾经产生,但它的含意却教训了几个变动.1,它不时是罪犯和街头混混,以及坏男孩们称说警察的褒义词汇.这一意义上,它不是书面语.2,然而由于美国文明的开展极速性,它曾经成为一个连警察自己也经常使用的称说了.当然这种意义上,它是书面语.3,在英语的官网文件和政府中,只经常使用policeman /police station.4,在英国,copper /cop还相对是比拟激进的词汇.当然由于hellywood的影响,它曾经被宽泛接受.然而和英国人对话,最好不要经常使用它.以示尊重.