upstream

adv.

1. 向（或在）上游；逆流
   along a river, in the opposite direction to the way in which the water flows
   1. The nearest town is about ten miles upstream.
      最近的城镇大约在沿河向上十英里处。
   2. upstream of/from the bridge
      在桥的上游

1. ADV 逆流地；往上游；在上游
   Something that is moving upstream is moving towards the source of a river, from a point further down the river. Something that is upstream is towards the source of a river.
   1. The water rose high enough for them to continue upstream.
      水位涨得够高了，他们可以继续向上游航行。
   2. ...the river police, whose headquarters are just upstream of the Isle St Louis...
      总部设在圣路易岛上游的水警
   3. Cities upstream use the river to get rid of sewage...
      上游的城市将污水排放到河里。
   4. He lives about 60 miles upstream from Oahe, near Gettysburg, South Dakota.
      他住在奥阿希湖上游约60英里处，靠近南达科他州的葛底斯堡。
   5. Upstream is also an adjective.
      
   6. Steps lead down to the subway from the upstream side.
      上游那边有台阶通向地铁。

1. A barrage would halt the flow upstream and lift the water level.
   一道拦河坝将会在上游拦住水流，抬升水位。
2. The barriers are lethal to fish trying to swim upstream.
   这些障碍物对于想要往上游游动的鱼儿来说是致命的。
3. The water rose high enough for them to continue upstream.
   水位涨得够高了，他们可以继续向上游航行。
4. Cities upstream use the river to get rid of sewage
   上游的城市将污水排放到河里。
5. He lives about 60 miles upstream from Oahe, near Gettysburg, South Dakota.
   他住在奥阿希湖上游约60英里处，靠近南达科他州的葛底斯堡。
6. The explorers paddled their canoe cautiously upstream.
   探险者们谨慎地把独木舟向上游划去。
7. The nearest town is about ten miles upstream.
   最近的城镇大约在沿河向上十英里处。
8. They should also be agnostic of the processes in the upstream layers.
   它们还应该对上游层中的流程不可知。
9. Both countries'energy sectors face declining revenues and the high costs of upstream exploration and production.
   两个国家的能源领域都面临收入下降和上游勘探开发成本上升的困境。
10. These constitute the upstream and downstream faces of the porous domain.
    这些是由多孔区的上游面和下游面组成。
11. An ALOHA multi-address method of upstream channel in HFC network is proposed based on multiple code CDMA.
    提出了一种基于多码分组CDMA的HFC网络上行信道ALOHA多址接入方式。
12. The deal marks Sinopec's entry into the overseas upstream exploration and production business.
    这项交易标志着中石化进入了海外上游勘探生产业务。
13. In a supply chain, materials flow from upstream to downstream.
    在供应链中，物料流从上游流到下游。
14. Sinopec has also expanded its upstream production and attempted to secure crude oil resources.
    中石化还扩大了上游业务规模，并试图获得新的原油资源。
15. Third, support upstream and downstream firms and the exchange of information between the information-sharing network construction and management.
    三是扶持上下游企业之间信息交流和信息共享的网络建设和管理创新。
16. There must have been a dead poisonous snake upstream.
    在上游一定是有死了的毒蛇。
17. Factories upstream ( from us) are polluting the water.
    在（我们）上游的工厂污染了河水。
18. Upstream and downstream of the industrial/ Business chain
    产业链的上游和下游
19. The Chinese are moving upstream and we are going downstream.
    中国人正往上游走，而我们正向下游走。
20. If either one trips than it should activate an86 relay to trip downstream or upstream breakers.
    如果任何一处跳闸超过了它，就需要激活一个86继电器，使下游或上游断路器跳闸。
21. The throughput of this channel is variable, based on the quality of the upstream channel.
    此信道的吞吐量依据上行流信道的质量而变化。
22. It could also begin "upstream" by taxing coal, gas and oil, instead of finished goods.
    它还可以开始向“上游”移动，对煤炭、天然气和石油征税，而非制成品。
23. In this paper, the environmental water demand in the upstream of Hanjiang River is studied.
    对汉江上游的生态环境需水量进行了初步探讨。
24. We paddled slowly upstream.
    我们慢慢地划着逆流而上。
25. All connections to upstream and downstream processes are fully automated.
    连接上游和下游的所有过程完全自动化。
26. Open upstream slowly, fill the valve and bleed the air through Test cock 2, 3 and 4.
    慢慢开启上游，注满阀门，通过测试旋塞2，3和4号排放空气。
27. We can calculate its effects on the flow going upstream.
    我们可以计算他对向上流的数据的影响。
28. In addition, the optimal input characteristic combined by occupancy and flow rate in upstream is received.
    同时得到了上游占有率与流率组合的最优输入特征。
29. The upstream pumping mechanical seal was used as shaft sealing of vacuum plants.
    研究了上游泵送机械密封在真空装备轴封中的应用。

adj

1. in the direction against a stream's current

adv

1. toward the source or against the current

   Synonym:    upriver