HomeWordsWhat does ' how long ' mean? （“how long”学习方法及知识点总结） 单词查询how long🇬🇧/haʊ lɒŋ/ 🇺🇸/haʊ lɔːŋ/used to ask how great a distance is. "they wanted to know how far he could travel"noun [专属名词]多久：用于询问时间长度或持续时间。How long will the flight take?此次航班将飞行多长时间？
how long 出现在下面的课文中（提供视频、音频及笔记等可系统性学习） Lesson 089&90 For sale how long 副词: 多长 Lesson 84 On strike Lesson 33 Education Lesson 37 The process of ageing多久；多长单词造句: 多久 How long have you lived in Beijing?How long are you going to stay here?How long does this train stop here?