refrain
refrain 的前缀、后缀或词根是什么？
国际音标
🇺🇸 rɪˈfreɪn
🇬🇧 rɪˈfreɪn
克制，避免
词根法分析
再次控制，约束
- re-再次，重复
- frain来自古法语 'frein'，意思是'缰绳'，引申为'控制，约束'
例子
- restrain抑制，阻止
- constrain限制，约束
练习
尝试用相同的方法分解和记忆以下单词- refuge避难所，庇护
- refund退款，偿还
造句
- He was able to refrain from smoking for a whole month.
- Please refrain from using your phone during the meeting.
- She could not refrain from laughing at his joke.