obstacle to
短语词组
- Obstacle e to 障碍
- obstacle e to sth 纪念碑
- constitue an obstacle to 构成…的障碍
- an obstacle to 一个障碍
- obstacle to development 发展障碍
- constitute an obstacle to 构成
- pose an obstacle to 设置障碍;翻译
- obstacle to machine 机器故障
- obstacle to sth 纪念碑;形成阻碍 返回 obstacle to