Bmci
[化] 芳烃指数值
🗣️ 情景例句
I'm not doing anything.
我没有要做什么。
One ploughs, another sow; who will reap no one knows.
有的耕，有的播，谁来收获很难说。
As there are so many people about, the dogs have to be kept in a special enclosure.
由于来人太多，狗被关在专门的围栏里。