P. p. d.
[医] 精制蛋白衍化物(结核菌素)
🗣️ 情景例句
Fine. We were just wondering about this trunk.
好啦。我们正纳闷这只大衣箱呢。
Don't be afraid he will get there on time.
不要怕他会准时到那里。
wants agreement on general principles, which could be applied to many types of products and perhaps extended to other countries.
则希望就普遍的原则取得一致，而这些原则适用于许多不同产品，同时可能延伸到其它国家。