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While travelling she missed the comforts of home.

旅行期间她想念家里的舒适。

《牛津词典》

Luckily, they owned a caravan, a kind of car designed for people to live in while travelling.

幸运的是，他们有一辆大篷车，一种为人们旅行时居住而设计的汽车。

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Mr Myers was stabbed repeatedly while travelling on a bus in the heart of the Jewish community.

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The reception isn't great while travelling at speed and doesn't work at all underground.

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