using中文什么意思

例句与用法

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1. acids used in pickling can include sulfuric .
   酸浸渍中用的酸有硫酸。
2. he was of no use at all in the business .
   他在业务上一点用场也没有。
3. he used to fight at the drop of a hat .
   他总是一看到信号就大打出手。
4. what was the use of telling the whole ?
   把一切都说出来，有什么用呢？
5. when hard tactics failed, soft methods were used .
   硬的不行来软的。