Dibromodifluormethane
[建] 二溴二氟甲烷
🗣️ 情景例句
Why don't you write to me, Robbie,
你为什么不给我写信呢 ，Robbie，
When three know it, all know it.
三人知，天下晓。
Excuse me, Miss Yang. I've just found this library book.
“打搅了，杨小姐。我刚刚捡到这本图书馆的藏书。”