Specific sera
[医] 特异性血清
🧩 词语组成解析
浆液, 血清\\n[医] 血清; 浆液
🗣️ 情景例句
Please excuse me. I'm very sorry.
请原谅我， 我真的很不好意思。
Old wood is best to burn,old book to read.
老柴好烧，老书宜读。
In fact a basic amount of movement occurs during sleep which is specifically concerned with preventing muscle inactivity.
事实上，睡眠状态下仍有着基本的活动量，以防止肌肉活动停止。