Levul(in)ic acid
[化] 乙酰丙酸; 左旋酸
🧩 词语组成解析
🗣️ 情景例句
The signs of the city never fail to impress the foreign tourists.
外国游客无一不对该城市留有深刻的印象。
Did you have fun?
你玩得开心吗？
Despite this, he was so extravagant that he was always in debt.
经常债台高筑。