Ris
[医][=radioimmunosorbent]放射免疫吸附剂
🗣️ 情景例句
because the doctors and nurses are so busy?
因为医生和护士们都非常忙？
Familiar paths and old friends are the best.
熟路好遵循，老友最可珍。
Excuse me. Where's North Street Hospital, please?
请问，北街医院在哪儿？