水面下
... under leg (侧泳)靠下边的腿 underneath the surface 水面下 undertow 下层逆流,回头浪 ...
事实上,纽约人都很乐意和你交谈。
Underneath the surface, the ice can be thick or thin.表面之下,冰或厚或薄。
And then we place a platform that's submerged underneath the surface of the water.然后我们一个地方的下面的水面淹没的平台。