He makes the effort to go on, but becomes weak, dizzy and nauseous.

他想尽力继续走下去，但他很虚弱，头昏伴有呕吐。

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But let those crystals grow to five nanometers, and the material becomes weak and brittle.

但是当那些晶体增大到5纳米时，天然丝就变得脆弱而且易脆了。

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Today, facing to the more complex and hard human environment, though the traditional architecture also has great ambitions, but it becomes to be weak for isolation.

面对今天日益复杂、多元甚至是险峻的人居环境，尽管传统单一的建筑设计雄心勃勃，但却开始因孤立无助而显得力不从心。

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