加拿大冰封山脉、加州猛犸象山。大自然冰雪美景背后是世界上最严峻的生存环境之一,三名非凡的生存挑战者直面雪山极限求生;本期《极限重生》贝爷教你如何在雪域高原借助简易工具抵

发表于:2018-11-27 / 阅读(439) / 评论(0) 分类 极限重生 第一季

《荒野求生》进化版,Bear Grylls带你探索世界上最惊人的真实求生故事,领略极限求生的普通人超强韧求生欲望;本期《极限重生》贝爷实景重现美洲丛林三个死里逃生的求生故事。遭遇匪帮袭

发表于:2018-11-27 / 阅读(422) / 评论(0) 分类 极限重生 第一季

It takes a lot of people to get huge buildings and machines finished on time and under budget. In the beginning, a team of engineers1 has to map out exactly what needs to be done. Then, groups of workers need to figure out how to cooperate and work i

发表于:2018-11-30 / 阅读(105) / 评论(0) 分类 常春藤生活英语

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发表于:2018-12-06 / 阅读(63) / 评论(0) 分类 极限之旅.Desert.Mountain.Sea

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发表于:2018-12-06 / 阅读(70) / 评论(0) 分类 极限之旅.Desert.Mountain.Sea

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发表于:2018-12-06 / 阅读(54) / 评论(0) 分类 极限之旅.Desert.Mountain.Sea

分集介绍:这一讲的主题是极限环,首先教授给出了极限环的定义,它首先是方程组的解形成的一条闭合轨迹,另外它不同于一般闭合轨迹,它必须是附近轨迹在t趋于无穷时逼近的轨迹。然后

发表于:2018-12-09 / 阅读(57) / 评论(0) 分类 麻省理工学院公开课:微分方程

… well aware that Halloween is, of course, tomorrow. If your kids are older or you have a taste for such things yourself, perhaps you know that the grisly horror film

发表于:2018-12-11 / 阅读(273) / 评论(0) 分类 万花筒2006年

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发表于:2019-01-01 / 阅读(58) / 评论(0) 分类 极限之旅.Desert.Mountain.Sea

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发表于:2019-01-01 / 阅读(58) / 评论(0) 分类 极限之旅.Desert.Mountain.Sea

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发表于:2019-01-01 / 阅读(45) / 评论(0) 分类 极限之旅.Desert.Mountain.Sea

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发表于:2019-01-01 / 阅读(65) / 评论(0) 分类 极限之旅.Desert.Mountain.Sea

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发表于:2019-01-01 / 阅读(61) / 评论(0) 分类 极限之旅.Desert.Mountain.Sea

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发表于:2019-01-01 / 阅读(55) / 评论(0) 分类 极限之旅.Desert.Mountain.Sea

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发表于:2019-01-01 / 阅读(48) / 评论(0) 分类 极限之旅.Desert.Mountain.Sea

Move over extreme sports, extreme phone pinching is guaranteed to deliver an adrenaline rush like never before. Warning: Its not for the faint-hearted. 极限运动靠边站,现在是极限捏手机时代。据说这种活动会令人体肾上腺素分

发表于:2019-01-21 / 阅读(49) / 评论(0) 分类 阅读空间

Do you ever feel like you have the potential to do great things with your life, but just arent sure how to start? I know that feeling very well, as its taken me years of reflection to figure out what activities make me feel happy and fulfilled. I hop

发表于:2019-01-21 / 阅读(44) / 评论(0) 分类 阅读空间

今天我们要学的词是go through the roof。 Roof是房顶的意思。Go through the roof冲破房顶,意思就是超过了最高极限。The unemployment rate went through the roof, 失业率飞涨。Due to shortages, the price of wheat has g

发表于:2019-02-03 / 阅读(66) / 评论(0) 分类 英语每日一词

本期内容: Youarestrongerthanyouthink. Mostpeopleunderestimatetheirstrength. Asyougothroughyourday,challengeyourcapacity.Testyourlimits. Pushyourself,tofindyourtrueboundariesanddefineyourstrength. Whenyoudiscoverhowmuchyouvereallygot,youmaysurpr

发表于:2019-02-14 / 阅读(61) / 评论(0) 分类 口语侠每日早读

[全屏观看] 点击右键- 另存为 可保存这个Flash影片 城市极限跑酷 选择你的人物,穿梭在城市的街道、天桥、楼顶之中,在规定的时间内收集金币,做城市极限跑酷一族吧! 操作方法:键盘方向

发表于:2019-02-19 / 阅读(68) / 评论(0) 分类 英语娱乐小游戏