Levulinamide
4-氧(代)戊酰胺
🗣️ 情景例句
I don't like to waste my time chatting on the net.
我不想把时间浪费在网络聊天上。
I'm not that hungry.
我还不是很饿。
Among the rubbish, I found a sign which said, 'Anyone who leaves litter in these woods will be prosecuted!'
“凡在此树林里丢弃垃圾者，将依法处置。