1. In the late 1940s, engineer Percy L. Spencer of the Raytheon Company was experimenting with high-frequency (高频率) radio waves.
    20世纪40年代后期，雷神公司的工程师珀西·L·斯潘塞正在从事高频无线电波实验。

2. In the traditional high school setting, it's teacher to the material and then to the student."
    而在传统的中学里，是先考虑教师和教材的关系，然后再考虑师生关系。"

3. If my suit failed on a high-G mission like this, I could be killed.
    在重力如此之大的环境中执行任务，要是我的重力服失灵，我就没命了。

4. It is easy to talk about having high moral standards but, in practice, what would one really do in such a situation?
    高尚的道德标准说起来容易，但实际上人们在这种情况下究竟会怎么做呢？

5. I was looking into a 6-meter-high cylinder(圆柱体) of netting with a wire net floor.
    我的前方是一个六米高的网状圆柱形空间，底部是金属丝编成的网。

6. For him, caves have the same peculiar fascination which high mountains have for the climber.
    对洞穴探险者来说，洞穴有一种特殊的魅力，就像高山对登山者有特殊魅力一样。

7. Feet look smaller in high heels.
    穿上高跟鞋, 脚就显得小些。

8. Face it: Cheaters never succeed — and pay a high price when caught.
    你必须面对这样一个事实：作弊者决不可能取得成功--而且一旦被发现，就要为此付出沉重的代价。