慢速英语:NASA's Curiosity Rover on Mars

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1. Curiosity will look for evidence that the planet once might have had conditions necessary for supporting life.

look for 寻找
例句：She is looking for her lost child.
她正在寻找失去的孩子。

2. But first, scientists and engineers did a little celebrating at the Jet Propulsion Laboratory near Los Angeles, California.

a little 一点
例句：Aren't you a little scared? 
难道你不会感到有点紧张吗？ 

3. Scientists hope to find whether the planet could have supported life in the form of microscopic organisms.

in the form of 以...的形式
例句：Attenuation of light is in the form of absorption. 
光是以吸收的形式衰减。