Pmcd
[医][=preventive medicine detachment]预防医学分队
🗣️ 情景例句
I'm proud of all my grandchildren, Mr. Carlson.
我为我所有的孙子孙女感到骄傲 Carlson先生。
You are all skilled and successful salesmen as shown by your records in the field.
从你们在这一领域的业绩来看，你们所有人都是训练有素，事业有成的推销员。
Mr. Green doesn't climb down the chimney. He waits until the children are asleep.
格林先生不从烟囱上爬下来，他等候孩子们都睡熟。