Ultracentrifuging
v. 用超高速离心器( ultracentrifuge的现在分词 )
🗣️ 情景例句
Sure. The number is... five five five...seventeen twenty.
没问题 号码是555-1720。
Every medal has its reverse.
事物都有它的反面。
Jack is the strongest boy in the class.
杰克是全班最强壮的男孩。