要: important; essential多: many; much; more长时间: long坐车要用多长时间: how long is the ride到那要多长时间: how long will it take学会英语要多长时间: how long will it take to learn english多长时间: how long多久;多长时间: how long多长时间能好: how long does it take to get well多长时间一次: how often多长时间直到: from xxx to xxx between xxx and xxx for xxx to xxx班机诞误多长时间: how long will the flight be delayed交多长时间才算男人: hiha你滑了多长时间雪了: how long have you been skiing上下班路上要花多长时间: how long does it take to commute晚会持续了多长时间: how long did the party last不要等待,因为你不知道需要等待多长时间: don't wait...because you don't know how long it will take符合条件后,能保持多长时间后开始有效。: idle timeout你准备在澳洲呆多长时间/长期/临时: how long do you intend staying austrlia/permanently/temporarily你准备在英国停留多长时间: how long do you intend to stay in the uk女孩看我去了没多长时间又来了: npc我们急于知道贵方多长时间能交货: we are anxious to know how long it will take you to deliver the goods这个工作你做了多长时间了: how long have you been doing that job长时间: long 长时间的电视广播节目 telethon; 长时间操作 long run; 长时间常数 long-time constant; 长时间存储器 long-term memory; 长时间计时器 long timer; 长时间记录 non-volatile recording; 长时间稳定性 long-time stability坐车: take a bus; take the car; to ride in a car