释义
unused and available if required
备用
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the platoon which had been kept in reserve .用作后备部队的排。
双语例句
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If you are to have an important exam, you'd better prepare one more pen in reserve.
如果你将要参加一场重要的考试的话，你最好准备多一支备用的笔。
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200 police officers were held in reserve.
200名警察随时待命。
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The money was being kept in reserve for their retirement.
他们把钱存着以备退休后使用。
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These front-line defences are backed up by armoured units in reserve.
前线防御有后备装甲部队的支援。
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He poked around the top of his cabinet for the bottle of whisky that he kept in reserve.
他在壁橱的上面翻找他留的那瓶威士忌。
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Harsh terms. But all right I'll just substitute "intercourse." Great. Or "fornication." Yeah. But that has judgmental overtones, so I'll hold that in reserve.
协议条款真苛刻，不过没关系，我可以用“性交”代替。这下好了。或者用“私通”，但这个带有批评色彩，还是作为备用吧。
《The Big Bang Theory Season 3》《生活大爆炸 第三季》
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As a deterrent. A silver bullet to keep in reserve, to use against the Kryptonians, so the day does not come, madam, when your children are waving daisies at a reviewing stand.
作为一种威慑手段，一颗随时准备好的银子弹，可以用来对付氪星人，这样那一天就不会到来，女士，你的孩子站在阅兵台上挥舞雏菊的那一天。
《Batman v Superman: Dawn of Justice》《蝙蝠侠大战超人：正义黎明》