Dimethyl allene
[化] 二甲基丙二烯; 2,3-戊二烯
🧩 词语组成解析
[医] 二甲基
丙二烯, [pl. ]二烯烃, 丙二烯衍生物
🗣️ 情景例句
A foreign diplomat grabbed his chopsticks as a historic souvenir.
一名国外的外交人员就拿起他用过的筷子，用它作为具有历史意义的纪念品。
I know the boy whose father is a professor.
我知道那个男孩的父亲是大学教授。
We'll have to buy some more bricks. I don't think these will be enough.
我们需要买更多的砖。我认为这些不够。