名词
中文翻译：持续时间
同义词：
['period', 'length', 'span', 'interval']
例句：
-
1.The project will take a duration of six months.
这个项目将持续六个月。
-
2. The journey lasted for several hours before it was over.
这次旅行持续了几小时才结束。
-
3. The company's performance has been in decline for the past three years.
这家公司过去三年的业绩一直在下滑。