upstream
01
上游的, 逆流的
situated or moving in the direction opposite to the flow of a stream or current
语法信息
形态构成
简单词
关系形容词
不可分级
例子
The upstream hike offers breathtaking views of the valley.
上游的徒步旅行提供了山谷的壮丽景色。
02
上游, 上流的
occurring earlier in a sequence of genetic material where transcription begins before a specified point
例子
The enzyme regulates an upstream reaction critical to the metabolic pathway.
该酶调节对代谢途径至关重要的上游反应。
例子
Poor planning was an upstream factor in the project's failure.
计划不周是项目失败的一个上游因素。
