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人工翻译英语句子
与失聪人使用的手语相似，婴儿使用的每一种手语符号都在幼童的世界中代表一个重要的物品或需求。
俄亥俄的迈阿密大学在1990年进行的一个调查发现，90%的学生都有作弊行为，有的在考试中照抄同学的答案，有的剽窃期末论文。
人工翻译句子！可简单些！
1,The high-speed trains created by our country can travel at a speed of 350 kilometers per hour.
2, It will be safer, cozier and roomier with a larger capacity to hold passengers.
3, In terms of land occupation, it takes up only half of what is taken by highway.
4,Besides, it is environmentally friendly.
5, Not only is it energy-saving, it also produces less noise.