Pepsinogens
(pepsinogen 的复数) [化] 胃蛋白酶原\\n[医] 胃蛋白酶原
🗣️ 情景例句
On a studect visa, full-time work is not permitted.
持学生签证的话，不允许做全职工作。
How many pieces are you going to buy?
你要买几块？
I'm lost.
我迷路了。