Cistine
氨基酸
🗣️ 情景例句
I thought so, too.
我也这样想。
Will you accept my advice?
你将接受我的忠告吗？
A week before, he had completed a successful overland flight during which he covered twenty-six miles.
一周以前，他曾成功地进行了一次26英里的陆上飞行。