1.need to 需要

You need to touch up the poem.
你需要给这首诗润色一下3]T0vKmj+a。

I must alert him to the need to solve the problem.
我必须使他认识到解决这问题的必要性|B4o8(5v)[suZ。

2.car crash 车祸；汽车碰撞

The millionaire was killed in a car crash after driving at high speed throughLondon.
这个百万富翁超速驾车穿越伦敦城，结果在车祸中丧身&RzGcNSJkXf-kpQ]。

Almost every Chinese family we know here in New Jersey has at least one femaledriver who has been involved in a car crash.
据我所知，几乎所有在新泽西的中国家庭至少有一个女性驾驶员会有过车祸jMLZHM2byEn]E^Tw。

3.football field 足球场

Or you're running down the football field when you notice that your legs rubtogether in a way they never did before.
或者你从足球场上跑下来时，发现自己的双腿摩擦在一起，可以前从没这样过wWEv94Yl0214d]@po。

In theory, the Army could use such a system to approach targets covertly and drill through concrete, steel, wood, or other materials from a stand-off distance equal to the length of a football field.
理论上，美国陆军将利用该系统实现某些目标，既通过远距离（超过一个足球场的距离）的设备对混凝土、钢铁、木头以及其他材料进行隐蔽的击穿作业i;||DSw8JtItU6sh。