Piot
abbr. 物质投入产出表（physical input-output table）
🗣️ 情景例句
I'm a foreign student, and I'd like to make some new friends.
我是个外国学生， 我想交几个新朋友。
If he gets scared at the night noises, be patient with him.
如果他晚上感到害怕，请你们多多见谅。
He sat in the darkness and listened to the people around him.
他坐在黑暗处，听着周围的人在讲话。