您要查找的是不是：
- An instrument for measuring a property of light, especially luminous intensity or flux. 光度计用来测量光的性质、尤其是光的强度和通量的仪器
- In general we can have temperature or flux boundary conditions but in this case we will only consider the former. 一般说，边界条件可以是给定温度，也可是给定热流，但这里我们只考虑前者。
- Whether it rains or not makes no difference to me. 下不下雨对我来说都一样。
- Many one or little one is indifferent to me. 多一个或少一个对我是无关紧要的。
- Chock the barrel up or else it will roll over. 用楔子塞住圆桶,不然它会滚过去。
- Do you teach your students singly or in groups? 你教学生是个别地教还是按组教？
- A church, school, hospital, asylum, or prison is an institution. 教堂，学校，医院，收容所或监狱皆属公共机构。
- Hard copy is computer output on paper, printing or graphics. 硬拷贝是出现在纸上、印刷上或图表上的电脑输出。
- Do you prefer to have rice or buns? 你愿意吃饭还是吃馒头。
- He is always raising a stink about this, that or the other thing. 他总是为了这个、那个的大吵大闹，什麽事都有得吵，有得闹。
- Most synthetic detergents are in the form of powder or liquid. 大多数合成洗涤剂呈粉状或液态。
- Fill your radiator with water, or your engine will overheat. 给你的散热器充水，否则引擎会过热。
- They will go to the zoo or play volleyball. 他们要去动物园或打排球。
- The autumn or winter term start in September. 秋季或冬季学期九月份开始。
- Let's keep together or we shall lose each other. 咱们待在一块儿，否则就会失散了。
- Don't go too far afield or we might lose you. 不要走得太远，要不然我们会找不到你的。
- I must fulfil my task by some means or other. 我总得想个办法完成任务。
- Keep your hands off me; or I'll knock you down. 不要碰我，当心我把你打倒在地。
- The land is laid down with red or white clover. 这块土地种上了红花和白花苜蓿。
- It is equal to me whether he comes or not. 他来不来对我都一样。
