小学or的发音规律口诀：or在词中一般念[ɔ:]，如lord[lɔ:d]；在词尾一般念[ə]，如director[di'rektə]；也有例外，如door[dɔ:]，or[ɔ:]，for[fɔ:]等。
or的基本意思是“或者，还是”。or是初中英语的常见并列连词，用于引导两个并列的词、词组或句子。
例句：
1、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。
2、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。