Learning-curves
(learning-curve 的复数) 学习曲线
🧩 词语组成解析
n. 曲线；弯曲状（curve的复数形式）
🗣️ 情景例句
She looks neat and fresh.
她看起来优雅清新。
Poverty shows us who are our friends and who are our enemies.
贫困才能显出敌和友。
Was all the material in that case destroyed?
箱里的东西都毁了吗？