单词：norlaureline
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On a walk or bike ride home from the grocery store, a new robot is designed to carry your groceries. Following a few feet behind, it can navigate a crowded urban sidewalk while you walk unencumbered. Once you teach it the route, it can also go back t
英语笔译
Orchids are botany's great mimics, all in the service of getting pollinated. Some have evolved to resemble female wasps to attract males. Others produce odors that smell like potential mates or like more attractive flowers. Now a study published in t
Scientific American(八)月
There lived a heron by a big lake. He used to catch fish and eat them. But he had become old and could not catch fish like before. He went without food for many days together. I have to think of a plan. Otherwise I won't live for long, thought the he
英语小短文
shrimp crab 不管是英文还是中文，人们往往用动物的名称来形容人，例如骂人的时候说某人像猪，像狗，或者赞扬某人鹤立鸡群等。美国人有时把人形容为像
美国习惯用语
Walk straight，said a mother crab to her daughter，stop dragging yourself sideways all the time． Mother，replied the daughter，just show me how．If you walk straight yourself I will copy you． Don't expect people to do things you would not do
趣味英语
为了让那些没空逛市场的顾客也能购买到新鲜的大闸蟹，江苏省南京市一家公司在当地数个地铁站安装了螃蟹自动售货机，消费者只需通过简单的操作，就可以按照大小进行选择，购买自己相
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