Stepwork
迎水坡阶梯式护坡工作
🗣️ 情景例句
This is the moment you've been waiting for.
你期待已久的时刻终于到来了。
Did you work all day?
你整天工作吗？
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）