您要查找的是不是：
- downstream or midstream 下游或中游
- Is the water polluted at source or further downstream? 河水是在源头还是在流出之後受到污染的？
- It is a direct acting and spring-loaded regulator, fail to open, with impulse connected, to be fitted downstream or optionally incorporated to the outlet flange. 这是一个直接动作和弹簧负荷式减压器，失败即开，气流信号感应可连接下游管线，或可选用内建接口在减压器出口端的法兰凸缘上。
- Whether it rains or not makes no difference to me. 下不下雨对我来说都一样。
- Every river has a upstream, midstream and downstream. 每条河流都有上游，中游，下游。
- Hairiness-Sink or Swim for Downstream Processing? 毛羽在后道工序中的作用?
- Many one or little one is indifferent to me. 多一个或少一个对我是无关紧要的。
- Downstream the river twists and turns a lot. 这条河的下游弯弯曲曲。
- Chock the barrel up or else it will roll over. 用楔子塞住圆桶,不然它会滚过去。
- The logs are drifted downstream to the mill. 那些原木沿河顺水漂到工厂。
- 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。
