词典释义：
释义
appear, occur, or come to one's notice unexpectedly
意外地出现；意外地发生；意外地引起注意
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some urgent business had cropped up .出现了一些紧急事务。
双语例句
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Keep calm when problems crop up.
遇事冷静。
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It's silly to paper over the problem; it will only crop up again one day.
把这个问题掩盖起来的作法是愚蠢的，总有一天还会暴露的。
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Did something unexpected crop up?
是不是有一些意想不到的事情突然发生?
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Similar problems crop up at traditional companies.
在传统的公司里，类似问题也会突然发生。
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The same principles of good design crop up again and again.
同样原则支配着不同领域的设计。
近义词