In a long march of several hundred kilometres, no one dropped out.
长途行军几百公里，没有一个人掉队。
In all, about 15m square kilometres are at stake.
总共约1500万平方公里处于被争夺的危险中。
He works in a factory about ten kilometres from his home.
他在离他家十公里远的一个工厂上班。
They are made of frozen gases and dust, and are a few kilometres in diameter.
它们由冻结气体和尘埃组成，并且有几公里的直径。
The island is only 0. 4 square kilometres in area.
这些热点面积常常达到千百平方英里。
The island is only 0. 4 square kilometres in area.
这些热点面积常常达到千百平方英里。
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