Dimethylglyoxime
丁二酮肟
??? 情景例句
I wanted to, but Jack Davis needed a photographer.
我真的想參加上課， 但Jack Davis要我拍照。
A good anvil does not fear the hammer.
好砧不怕錘。
Are you ready to place your order now?
你們準備好下訂單了嗎？