Pretyrosine
[化] 前酪氨酸
🗣️ 情景例句
The bible is a literary classic of the ancient world.
圣经是一部古代文学经典著作。
I asked him to clean it for me, but he wouldn't.
我请他帮我清理，但是他不肯。
I still haven't given up my resolution to do more reading.
但我还没有放弃多看些书的决心。