Levulinamide
4-氧(代)戊酰胺
🗣️ 情景例句
Because it's also known now as Youth Day. So you see-
因为这个节日还被称为是青年节，所以你明白了-
After I get home, I'll call you.
到家以后，我会给你打电话。
Last Wednesday, I went for a walk in the woods.
上星期三我到树林里去散步。