n.（思想或行为的）主流（mainstream的复数形式）...

The barriers are lethal to fish trying to swim upstream.这些障碍物对于想要往上游游动的鱼儿来说是致命的。Cities upstream use the river to get rid of sewage.上游的城市将污水排放到河里。A barrage would halt the flow upstream and lift the water level.一道拦河坝将会在上游拦...

upstream的音标：upstream的英式发音音标为：[ˌʌp'stri:m]upstream的美式发音音标为：['ʌp'strim]...

n.把…做成流线型( streamline的名词复数 )，简化使效率更高，（系统、机构等）效率更高，（尤指）使增产节约...

headstream的音标：headstream的英式发音音标为：['hedstri:m]headstream的美式发音音标为：['hedˌstrim]...

vt.& vi.流，流动（stream的过去式与过去分词形式）...

n.源头，发源地...

These dams have restricted the flow of the river downstream.这些堤坝限制了河水顺流而下。Communities downstream have been alerted.下游的社区已经接到了预警。We had drifted downstream.我们漂向了下游。...

Automation, networking and informationization are the mainstreams of the power industry development.自动化 、 网络化和信息化是目前电力行业发展的主流....

n.流动，绕流，滂沱，涔涔...

streams的音标：streams的英式发音音标为：[st'ri:mz]streams的美式发音音标为：[st'rimz]...

The river splits into three smaller streams at this point.这条河在此处分成三条小河.Streams had run dry for the first time in memory.记忆中，小溪第一次干涸了。The firefighters are jetting streams of water at the burning house.消防队员正向燃烧的房屋喷射水注灭火.Go...

...the river police, whose headquarters are just upstream of the Isle St Louis...总部设在圣路易岛上游的水警The barriers are lethal to fish trying to swim upstream.这些障碍物对于想要往上游游动的鱼儿来说是致命的。Steps lead down to the subway from the upstrea...

streamline的第三人称单数（三单）为：streamlines...

stream的现在完成时为：streamed...

n.河流，小河，川，溪，潮流，趋势，倾向，（事件等的）连续，（财富等的）滚滚而来，流出，流注，一连串vt.& vi.流，流动vi.飘扬，招展，鱼贯而行，一个接一个地移动vt.按能力分班（或分组），按能力分班（或分组）...

iostream的音标：iostream的英式发音音标为：[i':əʊstri:m]iostream的美式发音音标为：[i'oʊstrim]...

streamlined的音标：streamlined的英式发音音标为：['stri:mlaɪnd]streamlined的美式发音音标为：['strimˌlaɪnd]...

bloodstream的复数形式为：bloodstreams...

微液流...

It allows nicotine to diffuse slowly and steadily into the bloodstream.它能使尼古丁平稳缓慢地渗透到血液里。Once in the bloodstream, the bacteria adhere to the surface of the red cells.细菌一进入血液里，就附着在红细胞表面上。They injected the drug directly in...

streamed的音标：...

streamline的复数形式为：streamlines...

n.河流正中，中流，中游...

河间的...

n.血流...

adj.（指汽车、飞机等）流线型的，经过简化以改善效率的，现代化的v.使成流线型，使合理化(streamline的过去式和过去分词)...

vt.把…做成流线型，使现代化，组织，使简单化n.流线，流线型...

It allows nicotine to diffuse slowly and steadily into the bloodstream.它能使尼古丁平稳缓慢地渗透到血液里。They injected the drug directly into her bloodstream.他们把药物直接注射到她的血液里。Red blood cells transport oxygen through the bloodstream.红细胞通过...

n.输入输出流...