used

• Acids used in pickling can include sulfuric .
  酸浸渍中用的酸有硫酸。
• He was of no use at all in the business .
  他在业务上一点用场也没有。
• He used to fight at the drop of a hat .
  他总是一看到信号就大打出手。
• What was the use of telling the whole ?
  把一切都说出来，有什么用呢？
• When hard tactics failed , soft methods were used .
  硬的不行来软的。
• She uses rather dated words and phrases .
  她使用的词语未免太陈旧了。
• More expensive nitrating agents may be used .
  还可应用较贵的硝化剂。
• The colors used are flat and unvaried .
  使用的颜色既单调又千篇一律。
• We pump water from the well for daily use .
  我们从井里抽水以供日用。
• Why use wood when you can use plastic ?
  既然能用塑料，何必非用木料？