Dcf
[医] 直接离心浮选[法]
🗣️ 情景例句
Are you the oldest in your family?
你是你家里最大的孩子吗？
A colt you may break,but an old horse you never can.
小驹犹可练，老马最难驯。
employing full-time technicians and run on specially-written software.
雇用专职的技师，而且得用专门编写的软件才能运行。