Demethylchlortetracycline
[化] 去甲金霉素
??? 情景例句
But as exporters of a complete plant,
但是，作為成套設(shè)備出口商，
Do your children go to school yet?
府上的孩子們已經(jīng)上學(xué)了嗎？
It's eight thirty.
八點(diǎn)三十。