E文积累_20071119_Drop in

Drop in whenever you come to see your parents. 你来看望父母时顺便来我这坐坐。

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　　动词词组drop in，顺便或偶然到访（某人或某地）。
　　例句：

She dropped in to see a great friend of hers. 她顺便去看看她的一个好朋友。

While waiting for the bus, he found himself in front of a small shop; he dropped in to buy some chewing gum. 等公共汽车的时候，他发现面前有个小店，就顺便进去买了些口香糖。