单词：copper bar
copper bar的用法和样例：
例句
- Heating a copper bar will cause it to expand.加热一根铜棒会使它膨胀。
- In Anterwerp, all the copper bars were brought alongside by lorries.在安特卫普，所有铜条都是用载货卡车运送的。
单词：copper bar 相关文章
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英文短篇小说
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