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单词 upstream
释义
upstream
adverb,adjective[before noun]
uk
/ˌʌpˈstriːm/us
/ˌʌpˈstriːm/
(moving) on ariverorstreamtowardsitsorigin:
在上游（地）；向上游（地）；逆流（地）
Salmonswimupstream against verystrongcurrentstoreachtheirbreedingareas.大麻哈鱼会迎着湍急的水流游向上游它们的产卵区。
relatingto anearlierstagein aprocessorseriesofevents:
在（某过程或事件的）前阶段
The company's upstreambusinessincludesoilexplorationandproduction.这家公司的上游业务包括石油勘探和开采。
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You can also find related words, phrases, and synonyms in the topics:

Before, after and already

Opposite

downstream
(Definition ofupstreamfrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

upstream| American Dictionary

upstream
adjective,adverb[not gradable]
us
/ˌʌpˈstrim/
against thecurrenttoward thestartingpointof ariver:
Rowing upstream was hard going.
(Definition ofupstreamfrom theCambridge Academic Content Dictionary© Cambridge University Press)

upstream| Business English

upstream
adjective[before noun]
uk
/ˌʌpˈstriːm/us
relatingto something thathappensearlierin aprocessorseriesofevents:
The company'supstreambusinessincludesoilexplorationandproduction.

upstream

adverb
They areworkingupstream totryandpreventsuch asituationhappeningagain.

Compare

downstream
(Definition ofupstreamfrom theCambridge Business English Dictionary© Cambridge University Press)

Examplesofupstream

upstream
The majority of branch points used in vertebrate splicing are between 10 and 50 nucleotidesupstreamfrom the acceptor splice site.
From theCambridge English Corpus
After nature's move, theupstreamnation chooses the volume of water it will store.
From theCambridge English Corpus
Damage inflicted byupstreamdeforestation on downstream farmers without compensation is an example of the former.
From theCambridge English Corpus
Even so, agricultureupstreamof the park represents one of the major sources of pressure on this wetland.
From theCambridge English Corpus
Growth in the agro-processing industry also encourages the development ofupstreamfarm input companies, perhaps including pesticide producing companies.
From theCambridge English Corpus
In these dimensionless variables, the middle layer therefore has unit depth and speed farupstreamand downstream of the solitary wave.
From theCambridge English Corpus
As this results in flooding damage, the downstream nation would benefit from an increase inupstreamstorage.
From theCambridge English Corpus
In the second case (patient b), insertion had occurred 3 kbupstreamof the first exon.
From theCambridge English Corpus
In particular, we extend the standardupstreamissues in three directions.
From theCambridge English Corpus
One sample is taken of the effluent, with both downstream andupstreamsamples of the river.
From theCambridge English Corpus
Consequently, the truncated enzymes have lost the ability to bind to promoter regionsupstreamfrom position -38.
From theCambridge English Corpus
A dam is now being constructed justupstreamfrom the bridge.
From theCambridge English Corpus
The product manufacturers then are able to communicateupstreamto the suppliers what par ts or materials they would require to manufacture the product.
From theCambridge English Corpus
The combined effects of less erosion-resistant marly limestone and the columnar jointing of basalts caused the rapid migration of the knickpoint toward theupstreamreach.
From theCambridge English Corpus
The latter are inserted at the same position, 904 bpupstreamof the tou1 insertion.
From theCambridge English Corpus
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/upstream##
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更新时间：2024/12/27 18:29:42