A1 used to connect different possibilities(用于连接不同的可能性)或,或者;还是,亦或
A2 used after a negative verb to mean not one thing and also not another(用于否定动词后)也不
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If the product doesn't work, you are given the choice of a refund or a replacement.
Are the photos in colour or black and white?
Are you comfortable or shall I turn the heat down?
You can move the cursor either by using the mouse or by using the arrow keys on the keyboard.
Is it my imagination or is David behaving strangely at the moment?
B1 if not否则,要不然
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"Clear off or I'll call the police!"
Do your coat up, Joe, or you'll freeze.
Are you comfortable or shall I turn the heat down?
Come on, stir yourselves, or you'll be late!
I heard him shout "Stop, or I'll shoot!"
B2 used to show that a word or phrase means the same as, or explains, limits, or corrects, another word or phrase(用于引出同义词、同义短语或解释性、限定性、纠正性词语或短语)或者说,也就是,即
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I'll do it later. Or, at least I'll try to do it.
Football, or soccer as it's sometimes called, is very popular in the country.
[ C ] US abbreviation foroperating room 手术室(operating room 的缩写)
written abbreviation for the US state of Oregon: used in addresses(美国)俄勒冈州(写地址时Oregon的缩写)
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