Lactein
[医] 炼乳, 乳酸菌素
🗣️ 情景例句
Thank you.
谢谢你。
Either win the horse or lose the saddle.
不是全赢，就是全输；孤注一掷。
I'm really positive that this product has all the features you have always wanted.
我确信这种产品有各种你所要的款式。