Pentoic acid
[化] 戊酸
🧩 词语组成解析
🗣️ 情景例句
Quiet!
安静点儿！
A fool's bolt may sometimes hit the mark.
愚者千虑，必有一得。
They put their hands behind their backs, so you can't see their hands.
他们将手放在背后，这样你就看不见他们的手了。