Dichlorobutylene
二氯丁烯
🗣️ 情景例句
Who jammed the photocopier, again?
谁又把复印机卡住了？
Prosperity gains (or makes) friends, and adversity tries them.
顺境交朋友，逆境试真情。
Then you'll see the sign for the rest rooms.
你就可以看到厕所的牌子了。