Pentenoic acid
[化] 戊烯酸
🧩 词语组成解析
🗣️ 情景例句
Let's see some action!
赶快行动起来吧！
Don't jinx it.
话别说得太早。
The cave led back into the rockface and the earth by the entrance was dry.
岩洞迂回延伸到岩面里，靠近洞口的土是干的。