up·stream
adverb/ˌʌpˈstriːm/
/ˌʌpˈstriːm/
(also less frequent upriver)
- upstream (of/from something) along a river, in the opposite direction to the way in which the water flows
向（或在）上游；逆流 - The nearest town is about ten miles upstream.
最近的城镇大约在沿河向上十英里处。 - upstream of/from the bridge
在桥的上游
Oxford Collocations DictionaryUpstream is used with these verbs:- swim
- The nearest town is about ten miles upstream.