Pentoic acid
[化] 戊酸
🧩 词语组成解析
🗣️ 情景例句
She is sleeping here so she won't have to travel from Riverdale in the morning.
她晚上住在这儿，免得早上从Riverdale赶过来。
I have no leisure time to play golf.
我没空闲打高尔夫球。
Oh, that's my father!
噢，那是我爸爸。