Aminopropionic acid
[医] 丙氨酸
🧩 词语组成解析
🗣️ 情景例句
I was late because I had a flat tire.
我来晚了，因为我的车坏了。
Once bit, twice shy.
一朝被蛇咬，三年怕草绳。
Perhaps it is the desire for solitude or the chance of making an unexpected discovery that lures people down to the depths of the earth.
寻求独处的愿望或寻求意外发现的机会的欲望吸引人们来到地下深处。