adjective [原级] 开放的，营业的；开着的，敞开的；（身体部位）张开的；未封的；未系好的，未扣上的；露天的；开阔的，未围上的；无顶的，无遮盖的；开放式的；可通行的，畅通的；伸开的，展开的；坦率的；不保密的，公开的；会受到…的，会被…的；人人可以参加的，对公众开放的
Without warning, Bardo smacked his fist into his open hand. 毫无预警地，巴多用拳头啪地猛击了他张开的手。
verb [vt. 及物动词] 开，打开；开封，开启；（使）（眼睛）睁开；张开（嘴巴）；翻开；展开；开放（被封的道路、边界等）；（使）开始营业，（使）开门 ；（使）开张，（使）开办；为（大楼等）举行揭幕典礼；（股市）开盘，开市；着手；上映，开幕
If you open something such as a bottle, box, parcel, or envelope, you move, remove, or cut part of it so you can take out what is inside. 开封 • I opened the letter. 我拆开了那封信。
noun [抽象名词] 户外，野外（the open） ；公开状态，众所周知（the open）；公开赛（Open）；电流意外断路
He was there, though, for the official opening. 然而，他到了那儿是为了参加正式开幕。
- open 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 19&20 Tired and thirsty open 形容词: 开着的
- Lesson 029&30 Come in, Amy. open 动词: 打开
- Lesson 27 A wet night
- Lesson 46 Expensive and uncomfortable
- Lesson 66 Sweet as honey!
- Lesson 77 A successful operation
- Lesson 13 'It’s only me'
- Lesson 27 Nothing to sell and nothing to buy
- 网友用 “Open” 造句精选
- The offer will remain open until further notice. 该报价将一直有效，直到另有通知。
- I opened my coat and let him see the belt. 我解开外套，让他看了看腰带。
- A photographic exhibition opens at the Smithsonian on Wednesday. 一个摄影展周三在史密森尼博物馆开幕。
- Don't leave a child alone in a room with an open fire. 别把小孩单独放在有明火的房间里。
- He had always been open with her and she always felt she would know if he lied. 他对她一向很坦诚。而她也一直觉得如果他撒谎了，她是会知道的。
- ...an open window. …一扇开着的窗户。
- ...an emergency session of the Russian Parliament due to open later this morning. …将于今天上午晚些时候开始的一次俄罗斯议会紧急会议。
- We were part of an entire regiment that had nothing else to do but to keep that motorway open. 我们是整个团的一部分，这个团无其他任务,只是保证公路畅通。