Edged
a. 有某种或几种刃的
✅ 同义词
🗣️ 情景例句
Learning foreigh languages should be fun.
学习外语应该是乐趣无穷的。
Whom are you calling?
你要找谁？
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）