or的例句是：用作连词(conj.)You can send letters by mail or by hand.你可以邮寄或者派人送信件。or的词语用法是conj.(连词)or为并列连词,含有选择意义,必须连接同等成分的词、短语或句子,并使用同一种形式。or的读音是英[??(r)]；美[??r]。
一、详尽释义点此查看or的详细内容
二、词典解释
1.（连接两个或两个以上选择的可能性）或，或者，还是
You useor to link two or more alternatives.
or的意思
e.g. 'Teaor coffee?' John asked...
“喝茶还是喝咖啡？”约翰问道。
e.g. Was she blondeor brunette?...
她的头发是金色还是深褐色？
2.（与 either 或 whether 连用，给出另一个选择项）或，还是，就是
You useor to give another alternative, when the first alternative is introduced by 'either' or 'whether'.
e.g. Items like bread, milk and meat were either unavailableor 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。
e.g. Either you can talk to him,or I will...
要么你跟他谈，要么我去。
3.（用于两个数字之间表示概数）或，大约
You useor between two numbers to indicate that you are giving an approximate amount.
e.g. Everyone benefited from limiting their intake of tea to just threeor four cups a day...
每天只喝三四杯茶对身体有益。
e.g. When I was nineor 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。
4.（用于对刚说过的话进行更正或补充）或者说
You useor to introduce a comment which corrects or modifies what you have just said.
e.g. 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。
e.g. There was nothing more he wanted,or so he thought...
他再无所求，或者说他是这么想的。
5.（用于警告）否则，要不然
If you say that someone should do somethingor something unpleasant will happen, you are warning them that if they do not do it, the unpleasant thing will happen.
e.g. She had to have the operation,or she would die.
她必须动手术，要不然就没命了。
6.（用于证明刚刚所作陈述的真实性）否则，要不然
You useor to introduce something which is evidence for the truth of a statement you have just made.
e.g. He must have thought Jane was worth itor 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。
7.（表示某事物对即将发生的事没有影响）不管是不是…
You useor no oror not to emphasize that a particular thing makes no difference to what is going to happen.
e.g. Chairmanor no, if I want to stop the project, I can...
不管我是不是，只要我想停止这个项目，我就能做到。
e.g. The first difficulty is that, old-fashionedor not, it is very good.
首要的难题是，过时也好，不过时也罢，它很不错。
8.（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 useor 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.
e.g. The next day, rainor 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。
e.g. Oilor no oil, Serbia has troubles.
不管是否有石油，塞尔维亚的困难都会存在。
9. or else -> see else
or other -> see other
or so -> see so
or something -> see something
三、网络解释
1.or.：opponents' runs; 对方得分数
2.or：option room; 手术室
3.or：optional research; 运筹学
4.
4.or：odds-ratio; 比值比
5.or：odds ratios; or值
6. Boolean Search：Boolean operator || 布尔算子, 逻辑算子 | Boolean Search || 逻辑搜索, 一种用逻辑符号如AND,OR,NOT提取信息的方法 | Boolean secondary || 布尔二次式
四、例句
You can send letters by mail or by hand.
你可以邮寄或者派人送信件。
Is that painting an original or a reproduction?
那幅画是原作还是复制品？
Which do you prefer, lamb chops or pork chops?
你比较喜欢小羊排,还是猪排?
Hurry up or else you'll be late.
快，否则你就要来不及了。
Don't rush at your work or you will spoil it.
不要匆忙地做你的工作，否则你会把它做坏的。
五、常用短语
六、词汇搭配
七、词源解说
or的相关近义词
else、conversely、otherwise、optionally、alternatively、contrarily、operating theater、operating room、Beaver State、surgery、operating theatre、Oregon
or的相关反义词
or的相关临近词
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