N. p. n.
[医] 非蛋白氮
🧩 词语组成解析
abbr. 名词
abbr. 名词
🗣️ 情景例句
That's music to my ears.
正合我意。
It's hard to say.
很难说。
Where do you want me to sign?
你要我签在哪里？