fathom

理解、领会、看透多用于否定句

I still can't fathom why she turned down the offer.

我到现在还是无法理解她为什么拒绝那个工作机会。

测量水深、测深专业用语

The crew fathomed the channel before guiding the ship in.

船员在引导船只进港前先测量了航道的深度。

㖊水深单位，合六英尺

The wreck lies about twenty fathoms below the surface.

那艘沉船位在水面下大约二十㖊处。