N. p. n.
[医] 非蛋白氮
🧩 词语组成解析
abbr. 名词
abbr. 名词
🗣️ 情景例句
Help yourself, please.
请随便。
I beg your pardon.Is this seat taken?
请问这个位子被占了吗？
These movements are controlled by the trainer with the metal-pointed stick,
训练员要用有锋利金属尖的长棒控制它的这种举动，