1/pure释义：
adj. 纯的纯粹的纯洁的清白的纯理论的
2/例句：
These sheets are 100% pure cotton and comfortable to sleep on.
这些床单是100%纯棉的，睡在上面很舒服。
3/pure副词有：
pure water纯水，净水纯净水
pure white纯白纯白色纯洁白
pure gold纯金，足赤
pure的副词是purely，
purely: 僅僅，純粹地
On a purely practical level， it is difficult to see how such proposals would work.
