拉丁文 acere=be sour,acidus=sour;acer/acris=sharp,acuere=sharpen
acid;acidity
acid;acidity
n. 障碍,干扰;妨害物>> 例句
- He might be trying to avoid some obstacle.>> 火星救援 The Martian (2015) Movie Script
- spectacle ; miracle ; obstacle ;>> 96-The Dead Return
- When your desire is strong enough, obstacles become opportunities, and excuses fade into the background.>> If you really want to do something