Pentene diacid
[化] 戊烯二酸
🧩 词语组成解析
n. [化]戊烯
n. [化]二酸\\na. [化]二价酸的, 二酸的
🗣️ 情景例句
If he says he's going to be here, he's here.
假如他说他要来这儿 他就一定会来。
Let's stop discussing trivial details and come to the point.
咱们别再谈琐碎细节了，说正事吧。
If I place an order now, when would you be able to ship it?
如果现在下单子，什么时候可以出货？