P. p. d.
[医] 精制蛋白衍化物(结核菌素)
🗣️ 情景例句
His house is on the left.
他的房子就在左边。
I will see her home.
我会送她回家。
However, a few days later, he was told that a mistake had been made.
然而，几天之后，有人告诉他说弄错了。