Stepwork
迎水坡阶梯式护坡工作
🗣️ 情景例句
Five?
5号
Judge not of men and things at first sight.
审人论事宜谨慎，一见之下莫断定。
An ocean wave passing through deep water causes a particle on the surface to move in a roughly circular orbit,
穿过深水的海浪使水面上的一个微粒按照一种近乎圆形的轨道移动，