单词：day free of frost
单词：day free of frost 相关文章
World Car-Free Day is a very important holiday on the environmental calendar. Every September 22, governments, green groups and ordinary citizens highlight the damage cars are doing to the Earth. The day is a reminder that we do not need to rely so m
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《新东方 [爵以词雄] 词汇》刘一男
Today is China's fifth nation-wide Car Free Day. Since the annual event first began in France, organized events are held every year on September 22nd in many cities and countries around the world. However, how many people in China really know about t
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108 cities in China took part in World Car Free Day on Saturday to promote environmentally-friendly transport and ease increasingly grid-locked city streets. It's a highlight of a nationwide urban public transport week. People were urged to take pub
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How One Meat-Free Day Helps I still remember the look of worry on my parents faces when I told them I was becoming a vegetarian in high school. But what will you eat? they asked, utterly confounded at the prospect of a life sans meat. These days, veg
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Frost-free Freeze Physics 昇華是指一种物质从固态不经过液态直接转化为气态的过程，是物质在温度和气压低于三相点的时候发生的一种物态变化。与昇華相反的过程称做凝華，指物质从气态直接变
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