高低的英文：
(adv) simply
just
(n) height
(n) quality
scale from best to worst

参考例句：

Be equally matched
不分高低

Recipients of military honors were called in order of precedence - highest ranking officers first.
军功章的获得者们被按级别高低召见─等级最高的官员排在第一位

They are not in the same league.
他们的水平有高低。

High-frequency group and low frequency group equalizer case
高低群均衡器盒

Salary scales vary from state to state.
工资高低因州而异。

The stores rival each other in beautiful window displays.
商店在美化橱窗陈列方面互比高低。

People aren't bound by social class.
人们不会因出身高低而受限制。

The guests were seated strictly in order of precedence.
客人严格按照地位高低就座。

As a measurement, EQ can weigh up the level of emotion.
情商是衡量一个人情绪水平高低的尺度。

There is neither lowliness nor nobleness in careers
事业上没有高低贵贱之分。

adv是什么意思：
【缩写】

1.=advanced

2.=adverb

3.=adverbial

4.=advertising

5.=adversary

(1)从价 ad valorem.
(2)预付；垫款 advance.
(3)〔拉丁语〕对着；面对 adversus=against.
(4)通知 advice.

Reasonably adv.
适度地。

Used as an intensifier with adjs or advs that express an extreme opinion.
与表示极度的形容词或副词连用，以加强语气。

Soothingly adv`There,there,' he said soothingly,`Don't distress yourself!'
｀好了,好了,＇他安慰道,｀别伤心了!＇

simply是什么意思：
adv. 简单地；仅仅，只，不过；简朴地

Their opinions on art are simply for the Birds.
他们对艺术的见解真是荒唐可笑

It can't be simply ornamental．
它不能仅仅是装饰性的。

It was quite simply made.
这东西做得挺简单。

height是什么意思：
n. 身高；高；高度；海拔；高处，高地；顶点

a dizzy height, speed
使人眩晕的高度、 速度.

The airplane climbed to a dizzy height.
飞机爬到令人头晕目眩的高度。

We scaled the heights.
我爬上了山顶。