upstream
US /ˌʌpˈstriːm/
UK /ˌʌpˈstriːm/
副词
1.
逆流而上, 上游
in the direction against the current of a river or stream
示例:
•
Salmon swim upstream to spawn.
鲑鱼逆流而上产卵。
•
We had to paddle hard to go upstream.
我们不得不努力划桨才能逆流而上。
反义词:
2.
上游, 源头
at an earlier stage in a process or series
示例:
•
Any changes made upstream will affect subsequent steps.
任何上游的更改都会影响后续步骤。
•
We need to address the problem upstream, not just the symptoms.
我们需要从源头解决问题，而不仅仅是症状。
反义词:
形容词
1.
上游的, 逆流的
located or moving in the direction against the current of a river or stream
示例:
•
The upstream journey was difficult due to the strong current.
由于水流湍急，逆流而上的旅程很艰难。
•
They built a dam on the upstream side of the river.
他们在河的上游一侧修建了一座水坝。
反义词:
2.
上游的, 早期的
occurring or located at an earlier stage in a process or system
示例:
•
The upstream suppliers provide raw materials for production.
上游供应商提供生产原材料。
•
We need to optimize the entire upstream process.
我们需要优化整个上游流程。
反义词: