Serine
[化] 丝氨酸\\n[医] 丝氨酸, 羟基丙氨酸
🗣️ 情景例句
I'm just not sure about what I want to do.
我不知道该读什么？
Where there's reek there's heat.
无风不起浪。
The machines will not operate properly.
那些机器不能正常运转。