175. barrel n. 桶

　　176. bargain n. ①(买卖、劳资等双方的)协定，协议 ②便宜货

　　vi. 讲价，讨价还价;讲条件

　　【搭配】strike (或conclude) a bargain with sb. over sth. 与某人就某事达成协议定(或就某事成交);a good (bad) bargain 一笔上算(不上算)的交易;drive a hard bargain 杀价;迫使对方接受苛刻条件

　　【例】 She showed me how to shop ~s. 她让我看看该怎样觅购特价商品。

　　That book is a real ~ at 2$. 那本书定价2元真是够便宜的。

　　She stood ~ing with the farmer for his vegetables. 她要买那农民的蔬菜，正站着和他讲价钱。

　　177. coarse a. ①粗的，粗糙的 ②质量差的，粗劣的 ③粗俗的，粗鲁的

　　【搭配】coarse sand 粗沙; coarse skin 粗糙的皮肤; coarse food 粗食 ;coarse language 粗话; coarse manners 粗鲁的举止

　　【例】He was a ~ man whose manner made him unpopular with some people.

　　The sand was so coarse that it was quite painful to walk on.

　　178. coach n. ①教练 ②长途公共汽车 ③【铁】旅客车厢

　　【例】we are going to the airport by coach.

　　After six hours of school classes Ben has to do another hour with his tennis coach.

　　179. code n. ①准则，法规 ②密码

　　【搭配】break /decipher / crack a code 破译密码;the Civil Code of France 法国的民法; the social code of manners 社交礼貌规范;genetic code 遗传密码

　　【例】The message was written in code.

　　She managed to decipher the code of the telegram.

　　180. coil n.(一)卷，(一)圈;【电】线圈 v. 卷，盘绕

　　【例】A coil of thick blue smoke rose up from his pipe.

　　She coiled her hair at the back of her head.