Fermentograph
[机] 发酵图
🗣️ 情景例句
Please tell me about your working background.
请告诉我你的工作背景。
Do you have some post cards?
你有明信片吗？
They put their hands behind their backs, so you can't see their hands.
他们将手放在背后，这样你就看不见他们的手了。