名词
中文翻译：时期
同义词：
['era', 'interval', 'span', 'time period']
例句：
-
1.The 20th century was a period of great change.
20世纪是一个大变革的时期。
-
2. During his career, he experienced many periods of success and failure.
在他的职业生涯中，他经历了许多成功和失败的阶段。
-
3.The company's performance has been in a period of decline for the past two years.
该公司过去两年的业绩一直处于下滑阶段。