Tridecene
十三烯
🗣️ 情景例句
I'm extremely sorry for the delay.
对此延误，我深感抱歉。
He is studying the ecology of ameba.
他在研究阿米巴
Every day he does the same thing. Why doesn't he use the lift for the last three floors?
每天他都这样度过。为什么上最后3层楼他不用电梯呢？