stage
单词辨析：
指发展或变化过程中的某一个阶段。
The building is in the design phase.
这栋大楼正处于设计阶段。
The critical phase of that experiment will last three months.
那个实验的关键性阶段将持续3个月。
指有开始和结束的一段时间。
His studies improved in a very short period of time.
他的学业在很短的时间里便取得了进步。
New employees have been trained over a six-week period.
新员工接受了为期6周的培训。
指某种活动、天气、疾病等持续的一段时间，通常为期较短。
After a short spell in the army, he returned to his former university.
在部队呆了一小段时间后，他又回到原来的大学。
She worked a spell as a teacher before becoming a civil servant.
在成为公务员以前她当过一阵老师。
指成长或发展的某一时期，也可指某一进程、活动等中的一个阶段。
the early stage of a kid's development
儿童成长的早期
These two teams reached the final stage of the competition.
这两支队伍进入了决赛阶段。
相关例句：
Russian workers have staged a number of strikes in protest at the republic's declaration of independence
俄罗斯工人已经举行了数次罢工，抗议该共和国宣布独立。
Madge did not want to put her daughter on the stage
玛奇不想让自己的女儿从事戏剧表演。
The talks have now gone into a stage of quiet diplomacy.
会谈现在已经进入了“温和外交”阶段。
I went on stage and did my show.
我上台作了表演。
The stage is squashed into a small corner of the field.
舞台被挤到了场边的一个小角落里。
At present, China is still on the initial stage of socialism.
现在，中国仍然处在社会主义的初级阶段。