Biolevel
生物水平面
🗣️ 情景例句
I'd better hit the books.
我最好勤奋学习。
Score twice before you cut once.
三思而行。
But why did white people want to catch Africans and put them in chains?
但是为什么白人要把非洲人抓起来，戴上镣铐呢？