Ucf
abbr. Ultracentrifuge 超離心分離機
?? 醫學釋義
超速離心機
??? 情景例句
Are you sending it by regular or by speed?
你要寄平信還是快遞？
The finest diamond must be cut.
玉不琢不成器。
There was a notice in the supermarket.
超市里有一個布告。