start at起始于startv.开始；出发；震惊n.开始；震动；领先优势；起推动作用的外力start stop synchronism起止同步start on one's journey开始旅行starting control valve起动控制阀start-stop mechanism起止机构start signal indicator开始信号标志start stop transmission起停传输,起止传输start of heading signal报头开始信号Start menu and Task bar“开始”菜单和任务栏starting microstructure原始组织startover data transfer[计] 启动数据传送