单词：chamaephyta gramminidea
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This is Scientific Americans 60-second Science. Im Karen Hopkin, This will just take a minute. Have you ever said, I know it like the back of my hand? Well, how well do you know the back of your hand, or the back of your knee, or behind your ears? Pr
Scientific American(五)月
Pre-Listening Vocabulary dominant: strong; used most often keratin: a fibrous protein found in hair, nails, and the outer layer of skin puberty: the growth period during which a childs body reaches sexual maturity nail-biting: causing anxiety or nerv
趣谈英语
But had any man in England met such a man as I was, it must either have frightened him or raised a great deal of laughter; 在英国，任何人看到我的样子，一定被吓着或者被逗得开怀大笑； and, as I frequently stood still to loo
美国语文第四册
Have you ever said, I know it like the back of my hand? Well, how well do you know the back of your hand? Or the back of your knee? Or behind your ears? Probably not as well as scientists at the National Institutes of Health who just completed a sur
60秒科学
Idiom: Put your/our heads together ( work together )Hit the book: Texture Scrap Intimate Infant Persistent Irrespective of Novel Hedonic To find out, the researchers set up a series of experiments that would examine what people felt when they touched
趣味青春英语
Im the black sheep Of this damned family Devils friend I know the loss The sorrow, everything Had my share in beds I dont look behind Wont step to the side This hellion inside wont step aside Sleepless nights shredded By the hazy days Days turned aga
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