Dcf
[医] 直接离心浮选[法]
🗣️ 情景例句
Now he's got his own trading company. Ann told me he made four million dollars last year.
现在他已有自己的贸易公司。安告诉我他去年赚了400万美元。
It is the bridle and spur that makes a good horse.
要把马练好，缰绳靴刺少不了。
I'm afraid I can't.
恐怕不能。