The findings could help design more effective head protection for humans.
这一发现可能有助于为人类设计出更有效的头部保护装置。
The horse was sad, and went to the forest to seek a little protection there from the weather. There the fox met him and said, "Why do you hang your head so, and go about all alone?"
马伤心极了，只能到森林里去寻找一丝微弱的保障。它遇到一只狐狸：“为什么会垂头丧气的，还独自行走？”
The horse was sad, and went to the forest to seek a little protection there from the weather. There the fox met him and said, "Why do you hang your head so, and go about all alone?"
马伤心极了，只能到森林里去寻找一丝微弱的保障。它遇到一只狐狸：“为什么会垂头丧气的，还独自行走？”
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