It definitely looks like somebody's conducting with the wave motions.

- 看起来绝对像是有人指挥波浪运动。

But even in an ideal water wave, the molecules do drift a bit in the direction of wave motion.

但即想的水波中，分子也会波浪运动的方向上稍微漂移。

When marching along, the spider walks in a winding wave motion, which appears to potential predators as an ant following a trail.

行进时， 蜘蛛以蜿蜒的波浪运动行走，这潜的捕食者看来就像一踪迹的蚂蚁。

But sound is the other kind of wave: it’s a longitudinal wave, meaning that the wave’s back-and-forth motion happens in the same direction in which the wave travels.

但声音是另一种波：它是一种纵波，这意味着波的来回运动发生与波传播相同的方向上。

As the waves then move through the water, particles push and pull on their neighbors through the wave induced pressure, and this motion propagates energy through the water in unison with the wave motion.

随着波水中移动，粒子会透过波推拉它们附近的粒子导致压力的产生，这种运动会配合波的运动，通过水来传播能量。