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2. In my opinion, the most important custom from my country that I would like people from other countries to adopt is filial piety. 在我看来，我的故乡最重要的传统就是孝顺，这是我希望来自其他地方的人们也能接纳的。
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3. Being a filial son or daughter means showing respect to parents and taking the best possible care of them as they get older. 成为一名孝顺的子女意味着要对父母表现尊敬，并在他们逐渐变老的过程中尽最大努力照顾好他们。
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filter［‘filtər］n. 过滤器 v. 过滤；走漏
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例句 1. We can save a lot of time to distinguish the useful information from the useless by using filters. 通过使用过滤软件，我们能节省很多用来区分信息是否有效的时间。
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2. Children and teenagers should not use the Internet freely and some safe programs and filters are indeed needed. 儿童和青少年不该自由地使用互联网，而且一些安全程序或过滤程序确实是需要的。
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3. Having been filtered through permeable rocks, the spring water becomes clean. 泉水经渗透性岩石过滤之后变得很干净。
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同义 strainer（n. 过滤器）；percolate（v. 过滤）
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同类 与互联网有关的单词：bandwidth 带宽；browser 浏览器；login 登录；download 下载；upload 上传；encryption 加密；screen 屏蔽；server 服务器
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forecast［‘fɔ
:rkæst］n./v. 预报；预测；预料；预想
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搭配 weather forecast 天气预报
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例句 1. Scientists can write programs to monitor their research and experiments, as well as analyze the trend of technological development and forecast its future. 科学家可以编写出程序来检测他们的科学研究和实验，也可以分析技术发展的趋势，并预测其未来。
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2. It has been forecasted that severe weather conditions will come following these mild days. 天气预报说在这几天的风和日丽之后，会出现恶劣天气。
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同义 predict（v. 预测）
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fragile［‘fræʤl］a. 易碎的；脆弱的；弱的
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例句 1. We will never understand this fragile ecosystem. 我们永远无法明白这个脆弱的生态系统。
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2. Too much ultraviolet rays can also destroy the fragile ecosystems of the Earth. 更多的紫外线也会破坏地球上这些脆弱的生态系统。
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3. His muscle fibers are weak and fragile. 他的肌肉纤维无力而脆弱。
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同义 brittle（a. 脆弱的）；delicate（a. 易碎的）；frail（a. 脆弱的）
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要点 brittle和fragile都表示“脆弱的”，但fragile通常用于描述那些需要轻拿轻放的物体，比如：The vase is fragile. 而brittle则侧重表达“容易断裂”。
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frame［freim］n. 框架 v. 设计；给…镶框；陷害
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搭配 frame of minds 心态，心绪
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例句 In ancient times, people created sounds on“instruments”like rocks or animal skins stretched over a wooden frame. 在远古时期，人类会用“乐器”来制造声音，比如石头或者固定在木头框架上的兽皮。
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派生 framework（n. 构架；框架）
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搭配 blast furnace 鼓风炉
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