- 释义：
- adv. 什么时候；当…时
- 例句：
-
He looked blank when he was informed of his dismissal.
当被告知自己被解雇时,他显得茫然.
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Susannah won the calligraphy prize when she was at school.
苏珊娜上学时赢得了书法奖.
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Try to avoid colours that jar when choosing curtains and rugs.
选择窗帘和地毯时,尽量避免颜色不调和.
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