阶段的英文：
stage
section

参考例句：

Lap timer
阶段(如一圈)计时器

It is still in an embryonic stage.
它还处于萌芽阶段。

The aura is perhaps the most talked about of the phases.
先兆期是被谈论最多的阶段。

At this stage, their scales fall off.
在这个阶段，它们的鳞片脱落。

Forest fallow is an intermediate class between forest and non-forest land uses.
休耕林是林地和非林地的中间阶段。

The dormant period is another stage in the life cycle of the plant.
休眠期是这种植物生活史中的另一个阶段。

The design and development of the theme hotel in our country elementarily remains at the scrabble stage.
我国主题饭店的设计和发展基本上处于摸索阶段。

They usually perform during time-outs and breaks.
她们通常在中场休息和比赛暂停阶段献艺。

You can only apply to one school for Early Admission.
提前录取阶段，你仅可以申请一所学校。

vertical integration.
包括从生产到销售各个阶段的纵向联合。

stage是什么意思：
n. 阶段；舞台；演员的职业；事件发生地；站，架，层；上演
v. 上演；举行；展现；筹划

As the elapse of time, their feeling warms up stage by stage.
随着时间的推移，他们的感情逐步升温。

stage well [Badly]
很[不]适于上演

She was mad about the stage.
她狂热地迷恋着舞台生活。

This theatre has a revolving stage.
这家戏院的舞台是旋转式的。

The novel is being arranged for the stage.
正在改编小说使适宜于上演。

section是什么意思：
n. 部分；部门；部件；章节；截面；地区
v. 把…切片；被切成片；把…分段，划分；被分成部分

biological section rapid treater
生物切片快速处理仪

horizon seiscrop section
水平层位切片剖面

A vertical section of fabric;a gore.
编织品的垂直部分；三角形布

extruded porous sections
挤压多孔零件

This is a library sectioned into subject areas.
这是个按科目划分的图书馆。