Pentoic acid
[化] 戊酸
🧩 词语组成解析
🗣️ 情景例句
You should save some money in case of urgent need.
你应该存点钱以备不时之需。
I know the boy whose father is a banker.
我知道那个男孩的父亲是银行家。
He grasped both my hands.
他紧握住我的双手。