Question

汉译英

1．钋(Polonium)是用来引爆核弹的。(set off)

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2．我们正要出发，天突然刮起了大风，开始下起了雨。(be about to do, when…)

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Answer 1

答案：
解析：

1．Polonium is used to set off a nuclear bomb． 　　2．We were about to start, when a strong wind came up and it began to rain．