at once and

 

at once and的用法和样例:

例句

  1. The child was tired and fretful.
    那孩子又疲倦又烦躁不安。
  2. The machine must break down at this busy hour.
    正忙的时候,机器偏偏又坏了。

at once and的相关资料:

临近单词

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