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
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?