取120个值计算平均数。Take a hundred and twenty values and calculate the mean.就像歌里唱的那样,两者密不可分,不能只取其一。You can't have one without the other, as the song says.她可以打电话点餐,叫人来取要洗的衣服以及叫其他各种服务。She could ring for food and drink, laundr...
It was a foretaste of things to come.事情初露端倪。It was a foretaste of things to come...事情初露端倪。Summer styles are often a foretaste of autumn fashion.夏装的款式常常是秋装的预兆.This is but a foretaste of what the emerging technologies will...
她每星期打3次网球。She plays tennis thrice weekly.连本地托儿所每星期都要收费100英镑。Even local nurseries charge £100 a week.女仆每星期换一次床单。Once a week, a maid changes the sheets....