underground
[ˈʌndəɡraund]
- 释义：
- adj. 地下的；秘密的
- 例句：
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They caved in the roof of the underground passage with powerful explosives.
他们用强大的炸药把地下通道的顶部炸塌陷了.
换一句
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The spy never told his family about his underground activities.
那个间谍从来不把他的地下活动告诉他的家人.
换一句
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During the blitz we spent the night in underground shelters.
空袭期间,我们在防空洞过夜.
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