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Idiom: Off the top of your head 表示某人的推测/猜想 Hit the book: Leading Equivalent Robust Hygiene Body mass index Significance
趣味青春英语
Stay Thin By Sleeping More A study published Monday found that people who sleep less tend to be fat, and experts said it's time find if more sleep will fight obesity. We've put so much emphasis on diet and exercise that we've failed to recognize the
早读英语精华本
Sleep and Obesity A study published Monday found that people who sleep less tend to be fat. Monday's study covered 1,000 people and found that total sleep time decreased as body mass index -- a measure of weight based on height -- increased. Men slep
英语美文
Sleep and Obesity A study published Monday found that people who sleep less tend to be fat. Monday's study covered 1,000 people and found that total sleep time decreased as body mass index -- a measure of weight based on height -- increased. Men sle
白领英语晨读
So you slept terribly this week. No worries, you think to yourself: You'll make it up this weekend. 你这星期睡的很糟糕。不要担心，你对自己说：你可以这周末弥补回来。 But ignoring your alarm clock and waking up at noon o
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BMI stands for Body Mass Index, and it's a way to estimate whether or not an adult is over or under weight for his or her height. No equipment is necessary. You can figure out your BMI at home with a calculator. You multiply your weight in pounds by
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