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or是什么意思

or

英[ɔː(r)] 美[ɔːr]

同义词

conj.
or的同义词之：否则,或者
else conversely optionally contrarily alternatively otherwise

反义词

conj.
or的反义词之：或者
nor
or的反义词之：其他释义
nor

词组

or else
见 else
or so
(after a quantity) approximately [在数量后]…左右，…上下

柯林斯高阶英汉双解学习词典释义

CONJ-COORD

（连接两个或两个以上选择的可能性）或，或者，还是

You use or to link two or more alternatives.
例句
'Tea or coffee?' John asked... “喝茶还是喝咖啡？”约翰问道。 Was she blonde or brunette?... 她的头发是金色还是深褐色？
CONJ-COORD

（与 either 或 whether 连用，给出另一个选择项）或，还是，就是

You use or to give another alternative, when the first alternative is introduced by 'either' or 'whether'.
例句
Items like bread, milk and meat were either unavailable or could be obtained only on the black market... 像面包、牛奶和肉之类的东西要么是买不到，要么就是只能去黑市买。 Either you can talk to him, or I will... 要么你跟他谈，要么我去。
CONJ-COORD

（用于两个数字之间表示概数）或，大约

You use or between two numbers to indicate that you are giving an approximate amount.
例句
Everyone benefited from limiting their intake of tea to just three or four cups a day... 每天只喝三四杯茶对身体有益。 When I was nine or ten someone explained to me that when you are grown up you have to work... 我大概9岁或10岁的时候，有人跟我说人长大了就得工作。
CONJ-COORD

（用于对刚说过的话进行更正或补充）或者说

You use or to introduce a comment which corrects or modifies what you have just said.
例句
The man was a fool, he thought, or at least incompetent... 他想道，那人是个傻瓜，或者说，至少很无能。 There was nothing more he wanted, or so he thought... 他再无所求，或者说他是这么想的。
CONJ-COORD

（用于警告）否则，要不然

If you say that someone should do something or something unpleasant will happen, you are warning them that if they do not do it, the unpleasant thing will happen.
例句
She had to have the operation, or she would die. 她必须动手术，要不然就没命了。
CONJ-COORD

（用于证明刚刚所作陈述的真实性）否则，要不然

You use or to introduce something which is evidence for the truth of a statement you have just made.
例句
He must have thought Jane was worth it or he wouldn't have wasted time on her, I suppose. 我想，他一定认为简值得他这么做，否则他不会在她身上浪费时间。
PHRASE

（表示某事物对即将发生的事没有影响）不管是不是…

You use or no or or not to emphasize that a particular thing makes no difference to what is going to happen.
例句
Chairman or no, if I want to stop the project, I can... 不管我是不是主席，只要我想停止这个项目，我就能做到。 The first difficulty is that, old-fashioned or not, it is very good. 首要的难题是，过时也好，不过时也罢，它很不错。
PHRASE

（用于重复的同一名词之间，表示某事物是否真实对情形没有影响）不管是否有…，无论有没有…

You use or no between two occurrences of the same noun in order to say that whether something is true or not makes no difference to a situation.
例句
The next day, rain or no rain, it was business as usual... 第二天是否下雨都没有差别，一切照常进行。 Oil or no oil, Serbia has troubles. 不管是否有石油，塞尔维亚的困难都会存在。

英汉词典释义

conj.
（用以引出另一种可能性）或，或者，还是
A boy or two girls are at home. 一个男孩或两个女孩在家。 Mr.Jones or I am to speak at the meeting. 会上由琼斯先生或我来发言。 Is the flower red or blue? 那花是红的还是蓝的?
（用于警告或忠告）否则，不然
Turn the heat down or your cake will burn. 把热度调低吧, 要不蛋糕就要糊了。
（用于否定句，提出两种或多种事物时）也不
He cannot read or write. 他不会看书, 也不会写字。
（用于两个数字之间表示约略数目）大约
（用于引出解释性词语）或者说
（用于说明原因）不然，否则
（用于引出对比的概念）

英英词典释义

Noun
1. a state in northwestern United States on the Pacific
2. a room in a hospital equipped for the performance of surgical operations;
"great care is taken to keep the operating rooms aseptic"