Librating
vt. 摆动；平均
🗣️ 情景例句
You're a big boy.
你是个大孩子了。
No,I don't .
不，我没有。
He is now satisfied merely to try to stand up, but as soon as he does so a porpoise knocks him flat.
此时的海龟，只要能站起来就满足了，但它刚站起来，就被一只海豚击倒。