be out of distance of距……太远;难以够着:Passengers and those seeing them off parted with deep emotion,each asking the other to take good care of himself,in a minute,the ship was already out of hailing distance from between them.旅客们和送行者依依告别,互道珍重,一会儿功夫,轮船就驶离太远,听不见相互的叮嘱声了。 |