obstacle
obstacle 的前缀、后缀或词根是什么？
国际音标
🇺🇸 /ˈɑːbstəkəl/
🇬🇧 /ˈɒbstəkəl/
障碍，阻碍
词根法分析
‘反对’+‘站立’+‘物体或工具’=障碍，阻碍
- ob-表示‘反对’，来自拉丁语
- st-站立，来自拉丁语
- -acle表示物体或工具，来自拉丁语
例子
- obstacle障碍，阻碍
- obstacle race障碍赛跑
练习
尝试用相同的方法分解和记忆以下单词- obstacle障碍，阻碍
- obstacle race障碍赛跑
造句
- The only obstacle to our success is our own doubt.
- He overcame the obstacle of blindness by learning to read Braille.
- The obstacle course was designed to test their physical strength and mental resilience.