Teabrom
[医] 溴化四乙铵
🗣️ 情景例句
You must observe these simple rules.
你必须遵守这些简单的规定。
A crow is never the whiter for washing herself often.
乌鸦不管怎样经常洗澡，也不会变白。
These satellites go round the earth and help us to learn more about the earth, the weather and other things.
这些卫星绕着地球转，帮助我们更好地了解地球、天气和其他情况。