Oxybromide
溴氧化物
🗣️ 情景例句
but, unfortunately,
但是， 很不幸，
Is this book his?
这本书是他的吗？
In 1898 a law was passed which meant that all people above a certain age were paid a weekly old-age pension.
1898年通过了一项法令，规定一定年龄以上的人全都可以按周领取"老年养老金。