hollow单词什么意思_hollow单词解释 hollow的反义词hollow的例句

形容词空洞的; 空的; 虚伪的; 空腹的

名词洞，坑; 山谷

及物/不及物动词挖空（某物），变空; 挖出（孔、洞）

副词完全，彻底

1. 空的：所以TEM模式只能在同轴缆线或双芯线(two-wire line)等多导体中被传导. 中空的(hollow)波导(waveguide)并不支持TEM模式. 图二是一个双导体传输线的横向截面积. 此截面的外形是任意的.

2. 中空：Block是一个三维的模型,几何形状有棱柱、圆柱、三维的多面体、椭圆体和椭圆型圆柱体,Blocks(块)类型有三种:实体的(solid)、中空(hollow)的和流动(fluid)的.

2. hollow的解释

1. 空的;空心的;中空的
Something that is hollow has a space inside it, as opposed to being solid all the way through.

e.g. ...a hollow tree.
空心的树
e.g. ...a hollow cylinder.
中空圆筒

2. 凹的;凹陷的
A surface that is hollow curves inwards.

e.g. He looked young, dark and sharp-featured, with hollow cheeks.
他看起来很年轻，肤色黝黑，五官分明，双颊凹陷。

3. 树洞
A hollow is a hole inside a tree.

e.g. I made my home there, in the hollow of a dying elm.
我在一棵快要枯死的榆树的树洞里安了家。

4. 凹陷处;低洼地
A hollow is an area that is lower than the surrounding surface.

e.g. Below him the town lay warm in the hollow of the hill.
在他下方，小镇卧在温暖的山谷里。
e.g. ...where water gathers in a hollow and forms a pond.
在那里水积聚在低洼处形成了池塘

5. 空洞的;无用的;无价值的
If you describe a statement, situation, or person as hollow, you mean they have no real value, worth, or effectiveness.

e.g. Any threat to bring in the police is a hollow one.
任何威胁说要叫警察来的话都是虚声恫吓。
e.g. ...a hollow man who's coasted on charm for far too long.
长久以来一直依靠个人魅力取胜的肤浅之人

noun

1. a depression hollowed out of solid matter

Synonym: hole

2. a small valley between mountains

e.g. he built himself a cabin in a hollow high up in the Appalachians

Synonym: holler

3. a cavity or space in something

e.g. hunger had caused the hollows in their cheeks