知识扩展 重要短语
for the duration在整个非常时期内 short duration短期间，短历时 long duration长持续时间 pulse duration脉冲持续时间
duration 记忆方法
duration相关的词根或词缀是:
dur
duration持续时间n.
dur 持久；坚硬的 + ation 行为，过程，状态，结果 → 持续时间
中文词源：
duration 精选例句
1、 Duration:3 hoursMorning or Afternoon, this bike tour is the perfect tour for D.
时间:3小时上午或下午，这是D的完美之旅。[机器自动翻译，如有错误，感谢纠错]
2、 He was given the task of protecting her for the duration of the trial.
他被委以在审判期间保护她的任务。
1、 Over the last year, the average duration of unemployment for older people was 53 weeks, compared with 19 weeks for teenagers, according to the Labor Department’s jobs report released on Friday.
1、 But among student subjects who discussed meat ethics, meal purchases containing meat decreased from 52 to 45 percent—and this effect held steady for the study’s duration of several weeks.