Twelve hours is the minimum, sixty hours the maximum.12小时为下限,60小时为上限.He walked two hundred and sixty miles in eight days.他在8天里走了260英里的路。I'm sixty-two. I feel sixty-two, neither more nor less.我现在62岁了，感觉自己也确实到这把年纪了。...
This booklet restricts itself to facts without frills.这本小册子只谈事实，绝无矫饰。Her diet restricts her to 1500 calories a day.她的规定饮食限制她每天摄入1500大卡热量.The removal of infected materials also restricts the spread of Armillaria in establ...