目前日期文章:201405 (2)

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Waterproof Wings
The wings of butterflies don't just help the insects fly. They also repel water. The wings do it so well, in fact, that an international team of engineers now sees them as models for how future airplanes could be made. Moisture makes flight less efficient.

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沒有無法達成的夢想,只有太早放棄的自己。
No dreams are unachievable; only those that were given up too soon.

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