你的双臂和双腿需要保护，免受玻璃反射光的照射。

Your arms and legs need protection from light bouncing off glass.

《柯林斯英汉双解大词典》

这是一个信号，表示我们可能需要保护自己。

It's a signal that we might need to protect ourselves.

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为什么叶绿素是自然界最高等的光吸收体，却需要保护？

Why does chlorophyll need protection when it is the natural world's supreme light absorber?

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she doesn't need their protection because God prizes chastity above all things and would gladly send a glistering guardian to keep her honor unassailed.

她不需要他们的保护,因为上帝珍惜贞操超过一起,他会很乐意派遣一个护卫来保护小姐的荣誉不被攻击。

耶鲁公开课 - 弥尔顿课程节选

Then they test you to make sure that you have adequate protection, and some people need an additional shot after that.

然后医生会检测以确定你已获得了保护,有些人在测试完后需要再打一针

耶鲁公开课 - 生物医学工程探索课程节选

And in fact in one with the girl describing her side, she several times emphasizes this need for protection, need to be free from being torn down from people around them.

事实上像一个女孩子表达的那样，她好几次强调了需要保护的愿望，需要逃离那些打倒她的东西,逃离身边的人们。

麻省理工公开课 - 媒体、教育、市场课程节选