Dichlorobutylene
二氯丁烯
🗣️ 情景例句
The office network is running again, we can finally get some work done.
办公室的网络又联上了，我们终于可以做些事情了。
An ounce of prevention is worth a pound of cure.
预防胜于治疗。
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。