Lactocin
乳桿菌素
🗣️ 情景例句
Will it hurt?
会痛吗？
Quick feet and busy hands fill the mouth.
手勤脚快，嘴里吃饱。
Letters will cost a little more, but they will certainly travel faster.
这样会稍微多花点钱，但肯定是快得多了。