Levulinamide
4-氧(代)戊酰胺
🗣️ 情景例句
Nope. I am in perfect health.
没有。我身体好的很。
Bitter pills may have wholesome effects.
良药苦口利于病。
After having spent whole mornings on the river, I always go home with an empty bag.
我总是在河上呆上整整一上午，然后空着袋子回家。