Serine
[化] 丝氨酸\\n[医] 丝氨酸, 羟基丙氨酸
🗣️ 情景例句
What kind of performance are you looking for?
你要什么配置的机器。
Please forgive me.I didn't mean to start an argument.
请原谅我。我没开始争论的意思。
We're having a lot of trouble filling this order.
我们这次供货很有问题。