twenty
[ˈtwenti:, ˈtwʌn-]
- 释义：
- num. 二十，二十个
- 例句：
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A total of twenty letters were received last month.
上个月共收到20封信.
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The surgeons have been working for twenty hous without letup.
那些外科医师一连工作了二十小时没有停止.
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Step off twenty feet and then place a marker in the ground.
先步测20英尺,再在地上做出标记.
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