They come into being -- somewhere -- in faraway, frigid waters, amid thunderous noise and splashing turbulence, which in most case no one hears or sees.

• 它们在某个地方形成--遥远的地方，寒冷的水域，沉浸在雷声和汹涛骇浪中，在多数情况下默默无声，不为人知。