Dibromopropane
二溴丙烷
🗣️ 情景例句
These are lucky kids.
这是一群幸运的孩子。
My brothers must help with the house work at home.
我的兄弟在家里必须帮忙做家务。
Yet their present development is wholly different,
但是，这两个地方目前的发展程度完全不一样。