Word · Frequency #12214
upstream
向上游；逆流
Toward the source or against the current
- 1.
Against the current.
逆流而行
- 2.
toward the source or against the current
向源头；逆流
逆流而行；向源头；逆流；向上游；逆流地
In use
The fishermen rowed upstream to reach their favorite fishing spot.
Every spring, salmon swim upstream to lay their eggs in the same river where they were born.
It took the boat crew three hours to travel upstream against the strong current.
verb + upstream
upstream 修饰动词，表示动作方向逆流。
Salmon swim upstream to spawn.
鲑鱼逆流而上产卵。
upstream of + noun
用于描述位置，相对于水流方向。
The factory is located upstream of the river.
工厂位于河流的上游。
verb + upstream + from + noun
也可用 from 短语指明起点。
They paddled upstream from the village.
他们从村庄逆流划船而上。
Common mistakes
We need to go to upstream.We need to go upstream.
upstream 是副词，直接修饰动词 go，不需要介词 to。
The fish swims upward.The fish swims upstream.
upward 表示向上移动，而 upstream 特指逆流而上，在河流语境中应使用 upstream。
Connections
Collocations
- swim upstream
- 逆流而游；溯流而上
- Salmon swim upstream to reach their spawning grounds.鲑鱼逆流而上到达产卵地。
- travel upstream
- 向源头行进；溯流而上
- They traveled upstream by boat.他们乘船溯流而上。
- migrate upstream
- 洄游到上游
- These fish migrate upstream every spring.这些鱼每年春天洄游到上游。
- flow upstream
- 向上游流
- In this section, the tide causes the river to flow upstream briefly.在这一段，潮汐使河水短暂地向上游流。
- push upstream
- 艰难地向上游推进
- The explorers pushed upstream through the dense jungle.探险队穿越茂密丛林艰难地向上游推进。
Idioms & figurative uses
Learner notes
Memory Tip
up（上）+stream（水流）：想象一条鱼逆着水流拼命往上游游去，“逆流而上”就是upstream。
Context & Register
语域：neutral 常见场景：river navigation、water flow direction、environmental science 通常用于描述河流、航行或水流方向，属于中性表达，正式和日常场景都比较常见。
Pronunciation & Spelling
stream、downstream、mainstream、midstream 以及 seam 的读音都与 upstream 末尾的 /strim/ 押韵，注意 seam 的拼写里没有 stream。upstairs 虽然以 up- 开头，但读音为 /ˌʌpˈstɛrz/，与 upstream /ˈʌpˌstrim/ 不同。
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.