Valerolactone
戊内酯
🗣️ 情景例句
You say that many big companies act unscrupulously, but can you give me one example?
你说许多大公司不择手段，你能举个例子吗？
You're sick!
你有病啊！
She was wearing a blue dress and a mink coat.She told me she had just made a new film.
她穿着一身蓝色的套装和一件貂皮大衣。她告诉我她刚拍完一部新片子。