The reporter refused but the person left the envelope in his room.

记者称不能要，但此人还是把信封留下了。

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This approach gives the gases more room to expand without stretching the envelope of the airship too much.

这种方法为膨胀的气体提供了更大的空间，因此无需过多地加长飞船的气囊。

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He staggered into his room and sat down on the bed, the envelope still unopened, and in that moment came understanding to him how people suddenly fall dead upon receipt of extraordinarily good news.

信还没有拆开，在那个瞬间他明白了一个道理：为什么有的人会因为突然得到不寻常的好消息而死去。

youdao

At 6 a.m. the next morning Carey, shaving and still in his robe, answered a knock at his hotel room and was handed an envelope he assumed was a party invitation.

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