n. 公开, 户外, 空旷
a. 开着的, 开放的, 开阔的, 营业着的, 公开的, 悬而未决的
vt. 打开, 公开, 开放
vi. 展开, 开始, 展现
[计] 打开指令; 打开语句
英文释义
n. a clear or unobstructed space or expanse of land or water
n. a tournament in which both professionals and amateurs may play
n. information that has become public
v. cause to open or to become open