Oxybromide
溴氧化物
🗣️ 情景例句
I'm so tired I think I'm overtired.
我好累， 我想我是累过头了。
What do you mean? not at all!
哪有？
To their surprise, the precious parcel was full of stones and sand!
令他们吃惊的是，那珍贵的包裹里面装的全是石头和沙子！