Caprylidene
[化] 辛炔
??? 情景例句
What subject did you major in university?
你在大學主修的科目是什么？
It's too expensive for me.
對于我來說太貴了。
Up to the time of his death, Richard Colson was one of the most notable figures in our town.
理查德?？茽柹笆俏覀冩偵献钣忻娜酥?。