Dichlorobutylene
二氯丁烯
🗣️ 情景例句
We have to communicate with them more by sending lobbyists.
我们必须通过派遣更多的公关人员。
And it may get colder, it's already November.
并且天气会更冷。
Some types of birds cannot fly.
有些种类的鸟不会飞。