Ragg
[医][=rheumatoid agglutinator serum]类风湿凝集素血清
🗣️ 情景例句
By the way, I'm Richard.
噢，我忘了说，我叫Richard。
Custom without reason is but ancient error.
习俗没有道理，古代谬误而已。
Where's that?
苏格兰在什么地方？