Aminopropionic acid
[医] 丙氨酸
🧩 词语组成解析
🗣️ 情景例句
555-9470…and it's still busy.
555-9470……又忙 。
He didn't say anything as to where he would go.
关于他的去处他什么也没说。
'What a pity!' Susan exclaimed.
“真可惜！”苏珊大声说。