| 单词 | upstream |
| 释义 | upstream /ʌpstriːm/ adjective (economics 经济学; production 生产) at or connected with an early stage in an industrial or commercial process （工业或商业流程）上游的◆the company plans to expand its upstream business in oil and gas. 这家公司计划扩大石油和天然气等上游业务。⨁ upstream assets / businesses / earnings / operations上游资产／企业／收益／业务 ▸ upstream adverb◆manufacturers are looking both upstream and downstream to improve efficiency. 制造商希望从上游和下游两个方面提高效率。 opp downstream ☞ upstream☞ upstreamupstream/ˌʌpˈstri:m ||; ˈʌpˈstrim/adv adjin the direction that a river flows from 逆流而上；往上游: ◇he found it hard work swimming upstream. 他发现逆流游泳很费力。 [opp] downstream 反义词为downstream up·stream /`ʌp`strim; ˌʌpˈstriːm◄/advalong a river in the opposite direction from the way the water is flowing 逆流（地）; 向上游（地） |
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