Hexatriene
[化] 己三烯
🗣️ 情景例句
take a vacation away from the family--alone.
离开家人而单独在一起渡个假。
My hobby is collecting stamps.
我的嗜好是收集邮票。
Has it got anything to do with your present research?
报告跟你目前的研究有关吗？