Keto-tetrahydrophenanthrene
[醫(yī)] 酮四氫菲
?? 詞語組成解析
a. [化] 酮類的
??? 情景例句
which is going out with a camera and a roll of film
那就是帶著照相機(jī)和一卷底片出去久
He alone is happy who commands his passions.
只有控制感情的人，才會幸福。
What are your next plans?
下一步你計劃干些什么呢？