Cistine
氨基酸
🗣️ 情景例句
What university are you attending?
你现在就读于哪所大学？
We are supposed to help each other.
我们理应彼此帮助。
But the copy he gave him had not been written out in full as usual.
但这回狱卒给贵族的信没有像往常那样把全文写全，