Phenylethylhydrazine
[醫] 苯乙肼
??? 情景例句
Right.
對。
Whom will you invite to the wedding?
你將邀請誰參加婚禮？
of a change of atmosphere, of a diversion of effort, is essential.
改變一下氣氛，轉移一下注意力，這是不可缺少的。