Ribonucleic
a. 核醣核酸
🗣️ 情景例句
I'm glad you feel you've finally put it all together.
我很高兴你终于就绪了。
He has been to America.
他曾去过美国。[表示曾经有过的经验]
as Walter Sullivan has put it in his excellent book, We Are not Alone.
正如沃尔特·沙利文在其杰作《我们并不孤独》中阐述的。