Pras
[医][=phosphoribosylaminoimidazole synthetase]氨基咪唑核苷酸合成酶
🗣️ 情景例句
What are you working on?
你在做什么？
Mary is in her freshman year.
玛丽大学一年级。
A flight attendant would take charge of me and I never had an unpleasant experience.
我总是由一位空中乘务员照管，从未遇到过不愉快的经历。