Ris
[医][=radioimmunosorbent]放射免疫吸附剂
🗣️ 情景例句
I want to. I haven't paid for your dinner for a long time.
我要做。我好久没帮你付吃饭的钱了。
What are you doing next week?
下周你干什么？
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。