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
Great! It's a date.
太好了！ 就说定了。
Then, all of a sudden, it became cloudy and began to rain.
可是突然天就变了，乌云密布并下起雨来。
Feburuary 5, 1999
2月5日，1999