Word · CEFR A1 · Frequency #403
open
开着的;敞开的
核心释义
not closed; allowing passage or view
- 1.
物理上没有障碍,未覆盖等
Physically unobstructed, uncovered, etc.
- 2.
可以使用或互动
Able to be used or interacted with in some way.
- 3.
不隐藏或不受限制
Not hidden or restricted.
- 4.
未完成或未最终确定
Not completed or finalised.
- 5.
具有自由变量
Having a free variable.
- 6.
属于定义X的拓扑空间的预定义子集集合的一部分
Which is part of a predefined collection of subsets of X, that defines a topological space on X.
- 7.
音符在演奏时不按弦板
Of a note, played without pressing the string against the fingerboard.
- 8.
音符在演奏时不闭合任何指孔、键或阀
Of a note, played without closing any finger-hole, key or valve.
- 9.
发音时发音器官相对张开;指元音
Uttered with a relatively wide opening of the articulating organs; said of vowels.
- 10.
辅音发音时,口腔通道仅缩小而不闭合
Uttered, as a consonant, with the oral passage simply narrowed without closure.
- 11.
计算机程序的源代码不在生成的宏文本中
Source code of a computer program that is not within the text of a macro being generated.
- 12.
由空格分隔的组成词,而不是连在一起或用连字符连接;例如,time slot 而不是 timeslot 或 time-slot
Having component words separated by spaces, as opposed to being joined together or hyphenated; for example, time slot as opposed to timeslot or time-slot.
营业的;可使用的;开放的;公开的;不受限制的;悬而未决的;未定的;分写的;空格分隔的;不按弦的;不闭孔的;开放的
用法In use
The window is open, so fresh air can come in.
用法提示:此处 open 作形容词,表示窗户未关闭、处于敞开状态。
I left the door open so the cat could come inside.
用法提示:此处 open 作形容词,作 left 的宾语补足语,表示门保持敞开。
The library is open until 8 p.m., so we can study there tonight.
用法提示:此处 open 作形容词,表示图书馆开放、可供使用。
be open to sb/sth
表示“对某人或某事开放、可供使用”。
The museum is open to the public every day.
这家博物馆每天都向公众开放。
be open about sth
表示“对某事坦诚、不隐瞒”。
She was open about her feelings.
相关词与表达Connections
搭配Collocations
- open door
- 开着的门;敞开的门
- Please keep the door open so the cat can come in.请让门开着,这样猫就能进来。
- open to the public
- 向公众开放
- The new swimming pool is open to the public all year round.新游泳池全年向公众开放。
- open question
- 悬而未决的问题
- The exact cause of the fire is still an open question.火灾的确切原因仍然是一个悬而未决的问题。
- open to suggestions
- 乐于听取建议
- I am open to suggestions if you have any.如果你有什么建议,我愿意听取。
- open secret
学习提示Learner notes
记忆技巧Memory Tip
open 的 o 像张开的嘴,pen 像张开的笔尖,看到它们就记住“张开、敞开”的意思。
语境与语域Context & Register
语域:neutral 常见场景:日常生活、商店或场所门口、书面描述 open 作形容词时含义较多,但多用于描述门、窗、容器等未关闭或未覆盖的状态,也常表示商店等场所开始营业;语气中性,口语和书面语都比较常见。具体含义需根据搭配来判断。
语法说明Grammar Note
作形容词时,常接介词to表示‘对…开放’,接about表示‘坦诚的’,接with表示‘对…坦诚’。
发音与拼写Pronunciation & Spelling
Only reopen is a true rhyme with open. Hope, rope, and cope share the -ope spelling and the /oʊp/ sound, but they lack the final /ən/ syllable. Broken shares the -o-en spelling pattern but has /kən/ rather than /pən/. Oven looks similar in spelling but is pronounced /ˈʌvən/, not /ˈoʊpən/.
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇,值得优先掌握常见搭配和句型。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.