rapidity

/rəˈpɪdəti/📚 24792四级六级GRE
the quality of moving or reacting with great speed. "the fish sink into the sand with such rapidity that it must be seen to be believed"

noun [抽象名词]迅速,速度

The disease is spreading with alarming rapidity.
这种疾病正在以令人吃惊的速度蔓延。

单词造句:
网友用“Rapidity”造句精选
The rapidity of the decline is as striking as its extent. 如此迅速的下滑,其程度令人震惊。
She afterward descended with so much rapidity that I lost my senses. 她后来下降的如此极速我失去了意识。