Ultracentrifuging
v. 用超高速离心器( ultracentrifuge的现在分词 )
🗣️ 情景例句
She called to say the plane was delayed.
她打电话回来， 告诉我们飞机误点。
And do you have friends there?
你在那儿有朋友吗？
Readers happily accepted the fact that an obscure maidservant was really the hero's mother.
当时的读者却愉快地接受这样一些事实，一个低贱的女佣实际上是主人公的母亲；