Benzvalene
[化] 盆苯
🗣️ 情景例句
Mmm-hmm. That's because he's sleeping.
嗯。那是因为他睡了。
Did you watch the new office building being built?
你看过在建设中的新的办公楼吗？
There is a bridge over the river.
河上有一座桥。