Tricaprylmethylammonium
三辛基甲基銨
??? 情景例句
No. I really don't know how to go about it.
沒有。我真不知道如何填。
One hour's sleep before midnight is worth three after.
午夜前睡一小時(shí)抵得上午夜后睡三小時(shí)。
Yu Yan and Jim were neck and neck. They both passed on their sticks at the same time.
余延和吉姆跑得一樣快。