Lev-ulinic acid
[化] 乙酰丙酸
🧩 词语组成解析
n. 列弗（保加利亚的货币单位）
🗣️ 情景例句
How are you doing?
你好吗？
Please inform us the quantity that can be supplied from stock.
请告知可供现货的数量。
That's the doorbell, said Ann's mother. They're here!
“门铃响了，”安的母亲说。“他们来啦！”