downstream
downstream
adverb & adjective
adverb & adjective
- situated or moving in the direction in which a stream or river flows
顺流的，在下游的；顺流地，在下游
[as adv.]the bridge spanned the river just downstream of the rail line.
桥紧挨着铁路线下游侧横跨那条河。
[as adj.]deforestation could have disastrous consequences for downstream regions.
滥伐森林可能给下游地区带来灾难性的后果。
■(Biology)situated in or towards the part of a sequence of genetic material where transcription takes place later than at a given point
(生)（基因物质序列）在（或向）下游的（指基因转录进程的较远端）
a termination signal was found downstream from the coding region.
在编码区下游发现终止密码。
■at a stage in the process of gas or oil extraction and production after the raw material is ready for refining
在（炼油生产过程）后阶段的
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- preface n.序言，引语,开端，前奏,[宗]（弥撒的）序诵，序祷 vi.&vt.作为…的序言，作为…的开端,作序,给…作序,开始，导致
- prefactor n.前因子
- prefade vt.给（新织物或衣服）作预褪色
- prefatorial adj.前言的，序文的
- prefatory adj.前言的，序文的
- prefect n.地方行政长官,警察局长,教务长，院长
- prefectorial adj.长官的，提督的
- prefectural adj.地方官的
- prefecture n.地方官的任期，辖区
- prefer vt.更喜欢,提升，提拔,给予（债权人）优先权,提出（控告） vi.更喜欢，宁愿
- preferable adj.更好的，更可取的,略胜一筹的
- preferably adv.更可取地，更好地，宁可
考试词汇表
