N-pentanoic acid
[建] 戊酸
🧩 词语组成解析
🗣️ 情景例句
We didn't catch anything.
我们什么也没有钓着。
His opening remarks were serious.
他的开场白说得很严肃。
We should not only know the theory but also how to apply it to practice.
我们不仅要知道理论，还要知道怎样把理论应用于实践。