first observed翻译

first observed的基本解释

读音: 美: 英:

首次观察到：指某个现象或事物被人类或科学家首次发现或记录的时间。

例句

When the planet Mars was first observed through a telescope, people saw that the round disk of the planet was crisscrossed on earth that are viewed from an airplane.当第一次用望远镜观测到火星时，人们从飞机上看到，火星的圆盘在地球上纵横交错。
When the planet Mars was first observed through a telescope, people saw that the round disk of the planet was criss-crossed on earth that are viewed from an airplane.当第一次用望远镜观测到火星时，人们从飞机上看到，火星的圆形圆盘在地球上纵横交错。
Scientists first observed dolphins engaging in these behaviors in 2007 and 2009.科学家第一次观察到海豚的这种行为是在2007年和2009年。
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