A heart is a hollow muscular organ. - technical definition, Music makes me feel calm. - operational definition, Plants give us food. - operational definition, Road is a wide way leading from one place to another. - technical definition, Love is an intense feeling of deep affection. - technical definition,

Technical or Operational?

由
列印
嵌入

排行榜

快閃記憶體卡是一個開放式範本。它不會為排行榜生成分數。

視覺風格

選項

切換範本

恢復自動保存: ?