starting wave meaning in English

起动波

I had a white handkerchief in my pocket , and i jerked it out and started waving it out the window on my side
我的裤袋里有一块白手帕，我抽出它从我这边的窗户伸出去手开始摇晃它。
It was only towards the end of his shopping trip that he started waving shyly to his fans , who promptly erupted in screams
直到购物行程结束，周杰伦才向跟着他的歌迷们挥手致意，尖叫在瞬间爆发了。
When the young waitress in the cafe in tom ' s building started waving hello everyday , tom was flattered , for she was at least 15 years younger than he
汤姆那幢楼里有一家咖啡厅，当咖啡厅的那个年轻女招待开始每天向他挥手致意时，他感到受宠若惊，因为她至少比他小15岁呢。
If you are ever thrown into the trunk of a car : kick out the back tail lights and stick your arm out the hole and start waving like crazy . the driver won ' t see you but everybody else will
假如你被丢进车子的后车厢：把车后灯踢破，将你的手从洞口伸出去用力挥舞，驾车人看不到你，但是其他人看得到。