upstream
/ˌʌpˈstriːm/
American
- adv. 向上游地, 逆流地
- adj. 向上游的, 逆流而上的
- Definition
- adv. in the direction against the flow of a river
- adj. moving against the flow of a river, toward its source
- Example
- Salmon swim upstream every year to reach their breeding grounds.
- 鲑鱼每年都会逆流而上，游到繁殖地。