Aminothiopropionic acid
[医] 半胱氨酸
🧩 词语组成解析
🗣️ 情景例句
He was carrying his son on his shoulders.l
他让儿子骑在肩上。
I've had enough. I can't eat any more.
我已经饱了，再也吃不下了。
What is more, this information line operates 24 hours a day.
而且，这种"问讯线路每天工作24小时。