1
a drain
单数形式，泛指一个排水管。
There is a drain in the bathroom floor.
浴室地板上有一个排水管。
排水管；下水道
先理解核心含义，再看它在真实句子里的用法。
排水管；下水道
A pipe that carries liquid away, as in a sink or street.
There is a drain in the bathroom floor.
浴室地板上有一个排水管。
排水渠,天然或人工水道,排干一片土地的水。
A natural or artificial watercourse which drains a tract of land.
使液体流出以清空
emptying something accomplished by allowing liquid to run out of it
消耗资源却无回报的事物。
Something consuming resources and providing nothing in return.
插入体腔排出异物的管子
tube inserted into a body cavity (as during surgery) to remove unwanted material
The kitchen sink has a clogged drain.
厨房水槽的下水道堵了。
Water flows down the drain after a storm.
暴雨后水流进下水道。
You should clean the bathroom drain regularly.
你应该定期清理浴室的下水道。
单数形式，泛指一个排水管。
There is a drain in the bathroom floor.
浴室地板上有一个排水管。
定冠词，特指某个排水管。
Please clean the drain in the kitchen sink.
请清理厨房水槽的排水管。
复数形式，表示多个排水管。
The heavy rain flooded the street drains.
大雨淹没了街道排水管。
习语，表示浪费或消失。
All that money went down the drain.
那笔钱都付诸东流了。
Not this
There is water in drain.
Use this
There is water in the drain.
“drain”是可数名词，需要冠词或限定词。
Not this
The water is on the drain.
Use this
The water is in the drain.
“drain”表示管道内部，水应在其中，介词应用“in”而非“on”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
堵塞的下水道
The kitchen sink has a blocked drain again.
厨房水槽的下水道又堵了。
厨房下水道
Don't pour grease down the kitchen drain.
不要把油脂倒进厨房下水道。
地漏
The bathroom floor drain is clogged with hair.
浴室的地漏被头发堵住了。
资源消耗
The new project is a huge drain on resources.
新项目是资源的巨大消耗。
人才流失
The country is suffering from a severe brain drain.
这个国家正遭受严重的人才流失。
付诸东流
All my efforts went down the drain.
我所有的努力都付诸东流了。
人才流失
The country is suffering from a brain drain of skilled workers.
该国正遭受技术工人的人才流失。
对…的消耗
The new project is a drain on our resources.
新项目对我们资源是一种消耗。
现在我的职责就是彻底抽干你。
The drain in the kitchen is clogged.
厨房的排水管堵塞了。
发长 /eɪ/ 音 (如 rain, wait)
Use drain naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
drain中有rain，雨水流入排水管
通常指排水管道，多用于家庭或建筑中，属于中性语体。
All listed words rhyme with drain (/dreɪn/), sharing the /eɪn/ ending sound. No spelling lookalikes with different sounds are included.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.