fathom

名词 fathom:

1. a linear unit of measurement (equal to 6 feet) for water depth
   同义词：fthm
2. (mining) a unit of volume (equal to 6 cubic feet) used in measuring bodies of ore
   同义词：fthm

动词 fathom:

1. come to understand
   同义词：penetrate, bottom
2. measure the depth of (a body of water) with a sounding line
   同义词：sound

1. He dipped the stick into the water to fathom its depth.
   他把棍条浸入水中，试探水的深度。
2. I cannot fathom his meaning.
   我不能彻底了解他的意思。
3. The ship sank in four fathoms.
   这条船沉下四英寻。

fath.om

n.（名词）
【复数】 fathom 或 fath.oms 缩写 fath,fath.,fm.,fth.
A unit of length equal to ' feet (.83 meters), used principally in the measurement and specification of marine depths.
英寸：长度单位，相当于'英尺(.83米），主要用于测量水深
v.tr.（及物动词）
fath.omed,fath.om.ing,fath.oms
To determine the depth of; sound.
测深：测量深度；探测
To penetrate to the meaning or nature of; comprehend.
理解：对意思或本质的领会；理解

来源：
Middle English fathme
中古英语 fathme
from Old English fôthm [outstretched arms] * see pet…-
源自 古英语 fôthm [伸出的手臂] *参见 pet…-

【引伸】
fath.omable
adj.（形容词）