Ragg
[医][=rheumatoid agglutinator serum]类风湿凝集素血清
🗣️ 情景例句
Please, you sit by the window.
你请靠窗坐。
Sure. Should I check your radiator?
好的。要不要检查一下散热器？
John works very hard. He goes to work early.
约翰工作很努力。他早早上班。