round trip
round trip汉语翻译：【经】往返一次, 起下钻一次英语解释：名词 round trip:a trip to some place and back again 例句：One way, or round trip?单程票还是来回票...
round trip汉语翻译：【经】往返一次, 起下钻一次英语解释：名词 round trip:a trip to some place and back again 例句：One way, or round trip?单程票还是来回票...