词汇 | upstream |
释义 | upstream adverb, adjective[ before noun ] uk /ˌʌpˈstriːm/ us /ˌʌpˈstriːm/ (moving) on a river or stream towards its origin: 在上游(地);向上游(地);逆流(地) Salmon swim upstream against very strong currents to reach their breeding areas.大麻哈鱼会迎着湍急的水流游向上游它们的产卵区。 relating to an earlier stage in a process or series of events: 在(某过程或事件的)前阶段 The company's upstream business includes oil exploration and production.这家公司的上游业务包括石油勘探和开采。 Watercourses & waterfalls amazon arroyo beck bourne brook canalization cascade Congo crick flume gulch maelstrom Panama Canal plunge pool raceway rapids rill riverbed waterfall waterway You can also find related words, phrases, and synonyms in the topics: Before, after and already Oppositedownstream upstream | American Dictionaryupstream adjective, adverb[ not gradable ] us/ˌʌpˈstrim/ against the current toward the starting point of a river: Rowing upstream was hard going. upstream | Business Englishupstream adjective[ before noun ] uk /ˌʌpˈstriːm/us relating to something that happens earlier in a process or series of events: The company's upstream business includes oil exploration and production. upstreamadverb They are working upstream to try and prevent such a situation happening again. Comparedownstream Examples of upstreamupstream The majority of branch points used in vertebrate splicing are between 10 and 50 nucleotides upstream from the acceptor splice site. After nature's move, the upstream nation chooses the volume of water it will store. Damage inflicted by upstream deforestation on downstream farmers without compensation is an example of the former. Even so, agriculture upstream of the park represents one of the major sources of pressure on this wetland. Growth in the agro-processing industry also encourages the development of upstream farm input companies, perhaps including pesticide producing companies. In these dimensionless variables, the middle layer therefore has unit depth and speed far upstream and downstream of the solitary wave. As this results in flooding damage, the downstream nation would benefit from an increase in upstream storage. In the second case (patient b), insertion had occurred 3 kb upstream of the first exon. In particular, we extend the standard upstream issues in three directions. One sample is taken of the effluent, with both downstream and upstream samples of the river. Consequently, the truncated enzymes have lost the ability to bind to promoter regions upstream from position -38. A dam is now being constructed just upstream from the bridge. The product manufacturers then are able to communicate upstream to the suppliers what par ts or materials they would require to manufacture the product. The combined effects of less erosion-resistant marly limestone and the columnar jointing of basalts caused the rapid migration of the knickpoint toward the upstream reach. The latter are inserted at the same position, 904 bp upstream of the tou1 insertion. See all examples of upstream 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. |
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