open
英 ['əʊp(ə)n]
美['opən]
	    - adj. 公开的;敞开的;空旷的;坦率的;营业着的
 - vi. 开始;展现
 - vt. 公开;打开
 - n. 公开;空旷;户外
 
英英释意
- 1. a clear or unobstructed space or expanse of land or water;
 - "finally broke out of the forest into the open"
 
- 2. where the air is unconfined;
 - "he wanted to get outdoors a little"
 - "the concert was held in the open air"
 - "camping in the open"
 
- 3. a tournament in which both professionals and amateurs may play
 
- 4. information that has become public;
 - "all the reports were out in the open"
 - "the facts had been brought to the surface"