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
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
1. Please open the window to let in some fresh air.
请打开窗户让新鲜空气进来。
2. The store will open at 9 AM tomorrow.
这家商店明天早上9点开门。
3. Can you open this box for me?
你能帮我打开这个盒子吗？