Ultracentrifuge
n. 超離心機\\n[化] 超速離心機
??? 情景例句
I'd like to call Riverdale, New York.
請接New York的Riverdale。
This country is localed in the northern hemisphere.
這個國家位于北半球。
They had just had enough time to swim out of danger when the boat again completed a circle.
他們剛剛來得及游出危險區，快艇就又轉完了一圈。