Racemization
n. [化] 外消旋作用
??? 情景例句
And I don't have to make a quick decision.
而且我也不需很快下決定。
Thank you very much for saying that.
非常感謝你這樣說，。
the message to its home planet is barely halfway there.
那么這個信號在發(fā)回到原來的行星途中剛剛走了一半路程。