他赞成增加每天的课时并延长学年。He favors extending the school day and school year.该培训包括产科学和妇科学的增加课时。The training covers extended periods in obstetrics and gynaecology.他的航海教练在一次训练课时从船上失足跌入水中，溺水身亡。His sailing instructor fell overboard an...
Items like bread, milk and meat were either unavailable or could be obtained only on the black market...像面包、牛奶和肉之类的东西要么是买不到，要么就是只能去黑市买。Her manuscript is unavailable.[美]她的稿件不拟采用.Mr Hicks is out of the country and so unava...
The multiplicative complexity of the two - dimensional discrete Hartley trans ( ? ) m of size 2~ n ×2~ n, where (? )本文研究了长度为2~n×2 ~n ( n为正整数 ) 二 维 离散哈特莱 ( Hartley ) 变换的乘法复杂性.This set of orthogonal transforms start with w...
I asked the woman behind the counter if they had any postcards.我问柜台后面的女售货员是否有明信片。a collection of postcards, tickets and other ephemera明信片、票证和其他短时效物品的收藏系列colourful postcards of California五颜六色的加利福尼亚明信片...