Dichlorobutylene
二氯丁烯
🗣️ 情景例句
I'm in the mood for soft serve ice cream.
我想吃现装雪糕。
If you want knowledge, you must toil for it.
若要求知，必须刻苦。
but children were then too cowed to let them know how they really felt.
孩子们只不过被吓得不敢让父母知道自己的想法罢了。