Travella特拉韦拉travelv.旅行；去某地；传播；快速移动；[体]走步n.旅行；移动traveling driver system行走驱动系统traveling plan by train乘车方案travelling wave antenna行波天线travel insurance market旅游保险市场traveling wave detector行波检测traveling grate machine移动炉篦式焙烧机traveling magnetic field行波磁场traveling-grate retort移动蓖碳化炉travelling derrick crane移动式桅杆起重机travelling feed carriage移动式饲料分送器

1. Niagara Falls has become a tired old tourist sight.
   尼亚加拉大瀑布已成了老得没牙的旅游景点。
2. Marketing planning in travel and tourism,Tour operations,Tour guiding and resort representation.
   旅游景点管理等。