单词:copper alloy steel
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Speaking of Olympic trivia, the Sochi Olympics are already breaking many records. Probably the most surprising is the cost of the games. According to some estimates, this will be the most expensive Olympic Games ever, summer or winter. In fact, at 51
图片1 enemy n. 敌人,敌军 adj. 敌人的,敌方的 例句:After several fails the enemy was forced to retreat. 几经失败之后,敌军被迫后撤。 rival n. 竞争者 对手 v. 竞争,对抗 ,相匹敌 例句:After the national
It's the best place in Wenatchee, I said to my husband, as I described the new Pybus Market. This all-year-round(1) shopping center and farmer's market is the latest addition(2) to Wenatchee. It is a real step forward for this town which, up until no
379 、 石棉 asbestos;asbestus 380 、 石膏 PlasterofParis 381 、 示波器 oscilloscope 382 、 立体图 pictorialdrawing 383 、 交流电流 alternatingcurrent(a.c.) 384 、 交流电压 a.c.
Lesson 37 All About A Penny 第37课 关于便士 When I was a little boy, pennies, and halfpennies, and farthings were made of pure copper. But copper is too soft a metal to stand the rubbing which coins get. So these old pennies soon became so smoo
The Oscar statuette is the symbol of the Academy Awards. Here are some facts about the trophy itself. 奥斯卡小金人是奥斯卡金像奖的象征。这里有一些关于奖杯本身的事实。 1. The original design of Oscar was by MGM art dire