（打）开( open的第三人称单数 )；开始；睁开；启动
"finally broke out of the forest into the open"
同义词：clear
where the air is unconfined"the concert was held in the open air"; "camping in the open"
同义词：outdoorsout-of-doorsopen air
a tournament in which both professionals and amateurs may playinformation that has become public"all the reports were out in the open"
同义词：surface
v.cause to open or to become open"Mary opened the car door"
同义词：open up
start to operate or function or cause to start operating or functioning"open a business"
同义词：open up
become open"The door opened"
同义词：open up
begin or set in action, of meetings, speeches, recitals, etc."He opened the meeting with a long speech"
spread out or open from a closed or folded state"open the map"
同义词：unfoldspreadspread out
make available"This opens up new possibilities"
同义词：open up
become available"an opportunity opened up"
同义词：open up
have an opening or passage or outlet"The bedrooms open into the hall"
make the opening move"Kasparov opened with a standard opening"
afford access to"the door opens to the patio"
同义词：affordgive
display the contents of a file or start an application as on a computeradj.affording unobstructed entrance and exit; not shut or closed"an open door"; "they left the door open"
同义词：unfastened
affording free passage or access"open drains"; "the road is open to traffic"; "open ranks"
with no protection or shield"open to the weather"; "an open wound"
同义词：exposed
open to or in view of all"an open protest"; "an open letter to the editor"
used of mouth or eyes"keep your eyes open"; "his mouth slightly opened"
同义词：opened
not having been filled"the job is still open"
accessible to all"open season"; "an open economy"
not defended or capable of being defended"an open city"; "open to attack"
同义词：assailableundefendableundefended
(of textures) full of small openings or gaps"an open texture"
同义词：loose
having no protecting cover or enclosure"an open boat"; "an open fire"; "open sports cars"
(set theory) of an interval that contains neither of its endpointsnot brought to a conclusion; subject to further thought"an open question"
同义词：undecidedundeterminedunresolved
not sealed or having been unsealed"the letter was already open"; "the opened package lay on the table"
同义词：opened
without undue constriction as from e.g. tenseness or inhibition"the clarity and resonance of an open tone"; "her natural and open response"
ready or willing to receive favorably同义词：receptive
open and observable; not secret or hidden"open ballots"
同义词：overt
not requiring union membership"an open shop employs nonunion workers"
possibly accepting or permitting"open to interpretation"; "an issue open to question"
同义词：capablesubject
affording free passage or view"open waters"; "the open countryside"
同义词：clear
openly straightforward and direct without reserve or secretiveness"an open and trusting nature"
同义词：candidheart-to-heart
ready for business"the stores are open"
open up打开；开发；开始；展示，揭露
in the open在户外；在野外
open the door开门
in open公开地
open source[计]开放源码；开放资源
open space空地；休憩用地；露天场所
open policy开放政策；预定保险单；开口保险单
open pit adj. 露天采矿的
open market公开市场；自由市场
open air n. 露天，户外 , adj. 露天的；野外的
open education开放教育
open system开放系统
wide open完全开放的，大开的；易受攻击的
open to the public向公众开放，公诸于众
open economy开放经济
open door门户开放；进入权
open with以…开始；始于
open on开放；通往
open an account开立帐户
open loop开环
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