Rnp
[化] 核糖核蛋白
🗣️ 情景例句
Well, I've got an appointment at the hospital.
好啦， 我在医院有事。
Drop me a line.
写封信给我
4 Think of a time when you were happiest. What were you doing?
4。想一想你感到最高兴的时刻。当时你在做什么？