1. Be the first to extend your hand in greeting. Couple this with a friendly 'Hello', a nice smile, and your name and you have made the first step to open the lines of communication between you and another person.
    在问候别人时先伸出你的手，并伴着友善的“你好”和让人愉悦的微笑，再报上自己的名字，这样，你就在与另一个人开始交流的道路上走出了第一步。

2. The platforms extend to a depth of over 100 feet under the sea.
    平台深入海底100英尺。

3. He already had the urge to explore and extend a talent he discovered in himself as he went along.
    随着事业的发展，他感到了一种冲动要去发掘并扩展自己身上所显露的天才。