Quadridentate
a. （有）四齿的
🗣️ 情景例句
Don't go anyplace unsafe.
别去那些不安全的地方。
Congratulations on your vitory.
我恭喜你胜利了。
No, more, about 130 years ago. Most of the slave owners were rich farmers who lived in the south. They wanted to keep their slaves.
不，还要早，大约130年前。大多数奴隶主都是住在南方的富有的农场主。他们想保留自己的奴隶。