Grav
n. 格拉夫(加速度单位,等于自由落体加速度,即9.80665米/平方秒, 略作G)
🗣️ 情景例句
Yes, of course.
可以，当然可以。
Every why has a wherefore.
事出有因。
The first sign of disaster was a dead sheep floating down.Next came a horse, swimming bravely,
灾难的第一迹象是一只死羊顺流而下，接着一匹活马勇敢地与水搏击。