身材瘦削而且训练艰苦的女运动员行经可能不那么频繁，或者根本不来月经。Lean hard-training women athletes may men-struate less frequently or not at all.妇女的平均月经周期是28天。The average length of a woman's menstrual cycle is 28 days.她于13岁开始有正常的月经,周期为28～32天,有轻度的...
Many predict 1991 will rival the great vintage of 1965.许多人预测1991年酿制的葡萄酒可以与1965年生产的佳酿相媲美。The most recent polls predict a tight three-way race.最近的调查显示，这将是一场三方激烈角逐的比赛。Weather forecasts predict more hot weather, gusty winds ...
I clearly empathize with the people who live in those neighborhoods.我非常同情生活在那些地方的人们。Bands of government soldiers, rebels and just plain criminals have been roaming some neighborhoods.成群结队的政府军士兵、反叛分子和彻头彻尾的犯罪分子一直在一些街区游荡。.....
他们不停地提出其他政治问题，力图把水搅浑。They keep on muddying the waters by raising other political issues.研究院主任尼尔·豪沃思力图平息事态。Neil Howorth, director of the academy, tried to calm things down.她20年来一直力图完全主宰自己的电影事业。For two decades she has soug...
我们根据数字图象品质评价的模糊性,从模糊数学理论出发,提出一套模糊指数函数.According fuzziness of quality of digital image, we propose a set of fuzzy exponential objective functions.介绍了一种综合利用图象力矩及图象边界提取等方法来实现对数字图象的大小归一化的算法.Authors introduce a new algorithm ...