单词：exponentiation marker
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服装面料情景对话对话1S: Hello! Welcome! 您好！欢迎光临！ C: Thanks! 谢谢！ S: Do you want high class or low class? 想要高档的，还是低档的？ C: Let me have a look first. 我先看看吧。 S: What about this one? The b
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Can Wood Be Stronger Than Steel? Researchers say they have created a new super-material in the laboratory. They say it is stronger, lighter and costs less than steel. 研究人员表示，他们在实验室中造出了一种新的超级材料。他们称
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I want to buy an airconditioner. Is this washing machine automatic or semi-automatic? This refrigerator is of low noise design. This TV set gives sharper pictures than others. This stereo set is a nice design. Is this TV set on sale? Which one is of
英语口语900句
It looks and sounds like a regular golf ball, but this prototype is anything but average. Once we saw that would actually take off and have flight characteristics similar to a regular golf ball, we knew its a product that has some potential. After al
万花筒2011年
Ecocradle serves the same purpose as traditional foams when used as a packaging material. Buying a product these days often means you are getting more than you bargained for. Unwrapping your latest purchase can leave the room strewn with the cardboar
VOA标准英语2010年(八)月
Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h
VOA标准英语2014年(七月)