[机] 生石灰, 未消石灰

calcium lime的用法和样例:

例句

  1. Do not use slaked lime or unslaked lime.不要使用生石灰或是熟石灰。
  2. This bag is a desiccant and its major ingredient is caustic lime.本干燥剂之主要成份为生石灰。

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发表于:2018-12-04 / 阅读(147) / 评论(0) 分类 澳大利亚中学英语

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[00:00.00]Unit 5 The studying-abroad program [00:05.38]1.Listen and practice the following dialogue. [00:11.55]LiMeng is telling his sister about an announcement he heard at school. [00:17.79]LiMeng:Did you hear the announcenent at school? [00:21.94

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Well, that's limelight. What exactly was it? Well it was the burning of calcium oxide in a very intense flame. And when did the job of a limelighter begin? Oh, famously, the first recorded instance in

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发表于:2018-12-29 / 阅读(197) / 评论(0) 分类 澳大利亚中学英语

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发表于:2018-12-29 / 阅读(168) / 评论(0) 分类 澳大利亚中学英语

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