Raha
[医][=rheumatoid arthritis haemagglutination assay]类风湿性关节炎血凝反应测定
🗣️ 情景例句
because the doctors and nurses are so busy?
因为医生和护士们都非常忙？
The world is a ladder for some to go up and some down.
人间犹如一架梯，有人缘梯上升，有人顺梯下降。
I've been working so hard recently that I haven't had any time for collecting new stamps.
最近我的学习一直很紧张，没有时间收集新邮票。