Lactogenesis
生乳, 乳生成
🗣️ 情景例句
while you're at work.
在你工作的时候。
The frog is frightened at the sight of a snake.
那只青蛙因为看到了蛇而战抖。
Half past four. Don't forget to tell Jim. I hope he can come too.
4：30。别忘记告诉吉姆。我希望他也能来。