Polyu
[化] 聚尿苷酸
🗣️ 情景例句
He looked up at me.
他仰头看我。
I want you to work for yourself, and for the well-being fo the society.
我认为你们应为自己工作，为这个社会的幸福而工作。
the fear of death is somewhat abject and ignoble.
如果怕死；就有点儿可怜又可鄙。