Fcc
[计] 联邦通信委员会\\n[化] 流化床催化裂化
🗣️ 情景例句
You've been very thoughtful.
你一直都很周到。
I know the boy whose father is a dentist.
我知道那个男孩的父亲是牙医。
Then it turned in a semicircle, ran straight again, and turned in another semicircle to the opposite side.
然后转一个半圈，再沿直线飞，再朝反方向转个半圈。