P. p. d.
[医] 精制蛋白衍化物(结核菌素)
🗣️ 情景例句
I know, but it's still a dream come true.
我知道 但这终究是一个梦想实现了。
Buyers always pay great attention to packing.
买方通常很注意包装。
How long are you planning to stay over here?
你打算在这里呆多久？