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 sb. in business借钱使某人做生意starting pressure gauge起动压力计start-stop distortion起止失真starting order of pairs比赛组次start of test character正文开始字符start of message signal电报开始信号start-ignition system起动点火系统starting air stop valve起动空气截止阀starting dialing signal[计] 启动拨号信号start dial signal delay开始拨号时延