Before Tianwen l, no country had ever tried to send an orbiter, a lander and a rover in one single expedition to Mars.

在“天问一号”之前，没有国家尝试过在单次火星探测中发射轨道飞行器、着陆器和探测器。

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"We found something that was making its exit, was on the way out," said National Geographic fellow Gregory Anderson, one of the leaders of the expedition that discovered Koro.

国家地理研究员格雷戈里·安德森，也是发现柯罗探险的其中一位负责人，他说：“我们发现这种语言正处于灭绝的危险。”

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You send one after another sea expedition in which discover new lands.

故你派出了一队又一队海洋探险人员去发现新大陆。

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They are taking over from Expedition One - American Bill Shepherd and Russians Yuri Gidzenko and Sergei Krikalev - who have been living on the platform for nearly five months.

BBC: Discovery docks with space station

As he saw his former comrades in the Hiroshima expedition die one by one, he felt a duty to keep alive a defence of their actions.

ECONOMIST: Thomas Ferebee

On one scouting expedition, he spotted a grove of palms growing in the sandy soil, trees not native to Florida that had sprouted from a batch of coconuts from a boat that had foundered off Cuba.

WSJ: Book Review: Finding Florida