Aminothiopropionic acid
[医] 半胱氨酸
🧩 词语组成解析
🗣️ 情景例句
What-are you doing?
你在做什么？
I learned English this morning.
我今天早上学英文。
But often we play games, and I get home at 5:00. We have supper at about 6:00.
但是我们经常玩游戏，所以是五点到家。我们六点吃晚饭。