Word · Frequency #10813
weir
低坝；堰
a low dam built across a stream to raise its water level or divert its flow
- 1.
An adjustable dam placed across a river to regulate the flow of water downstream.
拦河调节水流的可调水坝
- 2.
a low dam built across a stream to raise its level or divert its flow
横跨溪流的低坝
- 3.
A fence placed across a river to catch fish.
横跨河流捕鱼的栅栏
- 4.
a fence or wattle built across a stream to catch or retain fish
捕捉或留住鱼的栅栏
拦河调节水流的可调水坝；横跨溪流的低坝；横跨河流捕鱼的栅栏；捕捉或留住鱼的栅栏；堰
In use
The old stone weir across the stream helps control the water level during heavy rain.
Farmers built several small weirs to direct water into the irrigation channels.
The engineers measured the height of the weir before deciding where to place the new fish ladder.
a weir across [river/stream]
描述堰的位置时，介词常用 across，指横跨水体。
A weir across the river controls the water level.
河上的堰控制着水位。
build a weir
build 是与 weir 搭配最常见的动词，也可用 construct。
The village built a weir to divert the stream.
村里建了一座堰来改变溪流的方向。
at the weir
at the weir 表示在堰这个具体地点，常用于描述观察或捕捞场景。
Connections
Collocations
- overflow weir
- 溢流堰
- The overflow weir releases excess water during heavy rain.暴雨期间，溢流堰排放多余的水。
- fish weir
- 鱼梁；捕鱼堰
- Fishermen set up a fish weir across the stream.渔民在溪流上架起了鱼梁。
- diversion weir
- 引水堰；分水堰
- A diversion weir channels water to the irrigation canal.引水堰把水引到灌溉渠。
- broad-crested weir
- 宽顶堰
- Engineers measured the stream flow with a broad-crested weir.工程师用宽顶堰测量溪流流量。
- build a weir
- 筑堰；建造堰
- The villagers built a weir to raise the water level.村民筑堰以提高水位。
- weir crest
Learner notes
Memory Tip
音近“we are”，想象我们说“我们筑坝拦水”；溪流中那道低坝就是 weir。
Context & Register
语域：formal 常见场景：水利工程、水文监测 weir 多用于水利工程、水文监测等专业语境，是一个较正式的技术性词汇；日常口语中通常直接用 dam 或 barrier 表达。
Pronunciation & Spelling
押韵词：ear、hear、fear 与 weir 都以 /ɪr/ 结尾（hear 是 /hɪr/，fear 是 /fɪr/）。小心拼写相似的 heir、their：它们以 -eir 结尾，但读 /ɛr/（同 air），不是 /ɪr/。weird 虽然以 weir 开头，但读 /wɪrd/，末尾多了 /d/。
Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
Learn the forms together
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.