英语语法分析

His introduction to fieldwork was a series of expeditions.

他初次参加的实地考察工作是一系列的探险活动。

《柯林斯英汉双解大词典》

Elizabeth I funded two mining expeditions.

伊丽莎白一世资助了两次采矿探险。

But astronomers laboured hard to analyse the results of these expeditions to observe Venus transits.

但是天文学家辛苦分析这些观测金星凌日的探险活动的结果。