Levulinamide
4-氧(代)戊酰胺
🗣️ 情景例句
Maybe you could come to visit me in Greece?
也许你可以到希腊来看我？
If I want to be healthy,I have to stop smoking cigarettes.
如果我想要健康,我必须停止吸烟。
Class 3 did very well in the school sports meeting last week.
“3班在上星期的校运会上表现很好。