P. p. d.
[医] 精制蛋白衍化物(结核菌素)
🗣️ 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。
Wow, it's nice.
嗯，味道真好。
eat less, find more time to play with the children, do a thousand and one jobs about the house,
吃得少些；多花点时间与孩子们一起做游戏；做大量的家务；