Ribonucleic
a. 核醣核酸
🗣️ 情景例句
He has been friendlier lately.
他近来更友好了。
I have not traveled everywhere in Guangzhou.
我还没有游遍广州。
In this way, he has begun his own private 'telephone' service.
就这样，他开始自己的私人“电话”业务。