time of duration meaning in English
持续期间
持续时间
Examples
- The findings suggested that the aged people raking part in pe activities should keep the high frequency , such as 3 ~ 4 times one week or 5 ~ 6 times one week ; it is suitable to get a feeling of sweating slightly after the sports , and the time of duration should last for about one hour
结果表明：老年人进行体育锻炼应坚持较高的频率，如每周3 ~ 4次或5 ~ 6次为宜；锻炼后的感觉为微微出汗即可；锻炼时间每次保持在一个小时左右即可。