Piot
abbr. 物质投入产出表（physical input-output table）
🗣️ 情景例句
and there's one person I haven't photographed in a long time.
而有一个人我已经很久没为她拍照了。
The coach is always gloomy when the team loses a game.
球队一输球，教练总要绷起脸来。
He knew I collected match boxes and asked me whether my collection was growing.
他知道我收集火柴盒，于是问我收藏的米柴盒是否在增加。