标签:复述材料 相关文章
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Body or spirit must be on the way. 身体和灵魂必须有一个在路上。 图片1
The best preparation for tomorrow is doing your best today . 对明天做好的准备就是今天做到最好! 图片1
Learning makes a good man better and ill man worse. 好人越学越好,坏人越学越坏。 图片1
When you are alone, be kind to yourself. When you are together with another one, be kind to your counterpart. 一个人时,善待自己;两个人时,善待对方。 图片1
If you find a path with no obstacles, it probably doesn't lead anywhere. 太容易的路, 可能根本就不能带你去任何地方。 图片1
You may delay, but time will not. 你也许会拖拉,但时间不会。 图片1
Whatever your mind can conceive and believe, it can achieve. 只要你想得到,只要你相信,就一定能做到!(拿破仑) 图片1
This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Engineers are always plugging away to get better energy efficiency out of our products -- like cars that guzzle less gas or light bulbs that burn brighter on f
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意大利的威尼斯正在下沉中。为了拯救它,瑞秋阿姆斯特朗认为采用传统材料的建筑学已经不再使用,我们需要能自我修复的建筑学。她提出了一种可以自我修复和估碳拟生材料。
反射星云是靠反射附近恒星的光线而发光的,呈蓝色。反射星云的光度较暗弱,较容易观测到的例子是围绕着金牛座M45七姊妹星团的反射星云,在透明度高及无月的晚上,利用望远镜便可看到