Midpoint
n. 中点, 一半
✅ 同义词
🗣️ 情景例句
Nothing ventured, nothing gained.
不入虎穴，焉得虎子。
What is the way to the theater?
哪一个方向是去戏院的？
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。