单词详解

n.

A.万有引力；地心引力；重力（(physics) the force of attraction between all masses in the universe）

An apple falls down because there is gravity. 由于重力的关系，苹果往下掉。

B. 严重性；严肃，庄严（a manner that is serious and solemn）

She doesn't think I realize the gravity of the situation. 她认为我没意识到局势的严重性。

相关词组

1. force of gravity  重力

The moon has a powerful force of gravity. 月球有很大的引力。

2. the law of gravity    [物]万有引力定律

The law of gravity is difficult to understand for me. 对我来说引力定律有点难理解。