Grav
n. 格拉夫(加速度單位,等于自由落體加速度,即9.80665米/平方秒, 略作G)
??? 情景例句
It's great. Although the economy is pretty slow as usual, it's picking up.
很好。雖然經濟發展照常地緩慢，不過已開始回升。
He bears misery best who hides it most.
最會隱瞞痛苦者，乃是最善忍受痛苦人。
With all these mouths to feed, he didn't know what to do.
由于有那么多人要供養，他不知道怎么辦才好。