1
in midstream
常用于表示在河流或过程的中间位置。
They decided to anchor the boat in midstream.
他们决定把船停在河流中间。
中流；河流中间
midstreams — plural of midstream
先理解核心含义，再看它在真实句子里的用法。
中流；河流中间
the middle part of a stream or river
They decided to anchor the boat in midstream.
他们决定把船停在河流中间。
河流的中部；中流。
The middle of a stream or river.
河流的中间
the middle of a stream
The kayak got stuck on a rock in midstream, and we had to paddle hard to free it.
皮划艇在河流正中卡在一块岩石上，我们不得不拼命划桨才能脱困。
The children were warned not to swim out to midstream because of the strong current.
孩子们被告诫不要因为水流湍急而游到河流中间。
The bridge was built in midstream, supported by two large pillars in the river.
这座桥建在河流正中，由河中的两根大柱子支撑。
常用于表示在河流或过程的中间位置。
They decided to anchor the boat in midstream.
他们决定把船停在河流中间。
The swimmer was carried past the midstream of the river by the current.
游泳者被水流冲过了河流的中游。
Not this
He midstreamed the conversation.
Use this
He interrupted the conversation midstream.
错误：将名词 midstream 误用作动词。正确用法是将其作为副词，修饰动词，表示“在过程中”。中文解释：midstream 是名词，不能直接加-ed作动词；应使用副词位置，如“midstream”表示“在中间阶段”。
Not this
The boat is at midstream.
Use this
The boat is in midstream.
错误：介词使用不当。表示“在河流正中”需用介词 in，而不是 at。at 更强调点位置，而 in 表示在空间内部。中文解释：“在河流正中”应使用 in midstream，因为 midstream 指一个区域而非具体点。
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Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
发长 /iː/ 音 (如 sea, tea)
Same pattern, same sound
Watch the sound change
Use midstreams naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.