1. I´m John Smith the telephone engineer
    我是电话工程师约翰.史密斯，

2. I´m an engineer.
    我是工程师。

3. 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。

4. In 1907, engineer Gideon Sundback got interested in improving a "hookless (无钩的) fastener(扣件)" patented in 1893.
    1907年，工程师吉迪恩·森德贝克对改进一件1893年的专利产品"无钩扣件"产生了兴趣。