以下为句子列表：
英文: I like to sit by the fire and take it easy after a hard day's work,said Alf lighting pipe and stretching his legs.
中文: 我喜欢在一天工作劳累之后，坐在火炉旁放松一下。“阿尔夫点燃烟斗，翘着脚说道。
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英文: A big frog plunged into the river agilely,swam in its life space stretching their legs heartily.
中文: 一只大青蛙敏捷地跳入河中，在它的生活空间里尽情蹬腿畅游。
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英文: A set of conventional processing methods of vanadium and vanadium alloy specimens, including mechanical polishing, mechanical chemical polishing, chemical etching as well as relevant techniques and experiences is introduced.
中文: 摘要介绍了一种钒及钒基合金金相试样的常规制样方法，即试样的机械磨光，机械化学抛光，化学侵蚀等技术和经验。
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英文: ACE pay more attention to fetching in and training of person with ability, and has attracted many employees professional in sheet metal to service ACE.
中文: 公司注重人才的培养和引进，吸引了一批钣金专业人员在艾西依的旗帜下忘我工作。
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英文: Abstract: The preparation of cuprous chloride from etching waste liquor of cupric chloride and crude copper powder was studied.The result showed that this method had many advantages,including simple process,easy operation and good quality of product,there
中文: 文摘:以氯化铜蚀刻液废液、粗铜粉等为原料，在常温下反应制备氯化亚铜，工艺简单，操作简便，产品质量好，具有显著的经济效益和环境效益。
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