or /ɔ:, 弱ə/ conj. 1. (用作连接选择的可能)或者，还是：Is it green or blue?它是绿的还是蓝的? 2. (与whether或either连用)或，还是：Either write or phone me. 给我写信或者打电话都行。 Either he is right or you are.不是他对，就是你对。I don’t care whether I get it or not.我不在乎是否可以得到它。3. (用于否定句)也不：He never smokes or drinks.他从不吸烟，也不喝酒。 4. 否则，要不然：Hurry up, or you’ll be late for school.赶快，否则你会迟到的。5. 即，或者说： geology, or the science of the earth’s crust 地质学，即研究地壳的科学 or else 否则：Hurry up or(else)you’ll be late.赶快，否则你会迟到的。［考句］I think I was at school, or else I was staying with a friend during the vacation when I heard the news. 当我听到该消息时，我想我在学校，要不就是和朋友在度假。or so大约…上下：a day or so 一天左右 or something 或许；譬如说：She works for a bank or something. 她或许在一家银行上班。Why don’t you go to a movie or something?你不可以，譬如说去看部电影？