词汇	回波采集时间
释义	回波采集时间医]TE[=time of echo
随便看	how long is the street how long is the street? how long is the tour how long is the tour? How long is the trip How long is the trip? How long is the wait How long is the wait? how long is the warranty how long is the warranty? how long is this flight how long is this flight? how long is this line how long is this line? how long is you stay How long is you stay? how long shall we wait How long shall we wait? how long since is it how long since is it? How Long the Interest rate Coming on the Market how long was her speech how long was her speech? how long were you by yourself in the classroom How long were you by yourself in the classroom?