pour [sth] through a funnel
用漏斗倒液体时，说 pour sth through a funnel，介词 through 不能省略。
Pour the milk through a funnel into the bottle.
把牛奶通过漏斗倒进瓶子里。
一种倒置锥形末端带细管的器具,用于引导液体或颗粒物进入小口容器。；锥形物；流体或流动物质的通道；尤指烟道、烟囱；轮船等的烟囱。；(航海)烟囱
一种倒置锥形末端带细管的器具,用于引导液体或颗粒物进入小口容器。
A utensil in the shape of an inverted hollow cone terminating in a narrow pipe, for channeling liquids or granular material; typically used when transferring said substances from any container into ones with a significantly smaller opening.
锥形物
a conical shape with a wider and a narrower opening at the two ends
流体或流动物质的通道；尤指烟道、烟囱；轮船等的烟囱。
A passage or avenue for a fluid or flowing substance; specifically, a smoke flue or pipe; the chimney of a steamship or the like.
漏斗
a conically shaped utensil having a narrow tube at the small end; used to channel the flow of substances into a container with a small mouth
(航海)烟囱
(nautical) smokestack consisting of a shaft for ventilation or the passage of smoke (especially the smokestack of a ship)
She used a funnel to pour the cooking oil into the narrow bottle.
她用漏斗把食用油倒进窄口瓶里。
用法提示：此处 funnel 是名词，意为漏斗，指用来灌入窄口容器的锥形工具。
The lab assistant placed a funnel over the flask before adding the liquid.
实验室助手把漏斗放在烧瓶口上，然后加入液体。
用法提示：funnel 作名词，指漏斗状器具。
Rainwater ran through the funnel and into the barrel.
雨水顺着漏斗流进桶里。
用法提示：这里 funnel 是名词，表示漏斗状的导流口。
用漏斗倒液体时，说 pour sth through a funnel，介词 through 不能省略。
Pour the milk through a funnel into the bottle.
把牛奶通过漏斗倒进瓶子里。
a funnel for doing sth 表示该漏斗的用途，for 后接动词的 -ing 形式。
This is a funnel for putting oil into the car engine.
这是一个用于把油加进汽车发动机的漏斗。
grammar · medium
易错句子I used funnel to pour the juice into the bottle.
正确表达I used a funnel to pour the juice into the bottle.
funnel 作名词表示具体器具时是可数名词，单数前必须加 a/an；中文没有冠词，所以容易漏掉 a。加上 a 后才符合英语单数可数名词的用法。
grammar · medium
易错句子The crowd funnelled the narrow entrance.
正确表达The crowd funnelled through the narrow entrance.
动词 funnel 表示人群或液体通过狭窄通道时是不及物动词，后面不能直接接地点名词，必须用 through 引出经过的通道。加上 through 后，the narrow entrance 成为介词宾语，语义才正确。
用漏斗倒（液体）
Please pour the juice through a funnel into the jar.
请把果汁用漏斗倒入罐子里。
漏斗云
The sky turned green and a funnel cloud formed.
天空变成了绿色，并形成了一朵漏斗云。
漏斗形的
The bottle has a funnel-shaped neck.
这个瓶子有一个漏斗形的瓶颈。
船上的烟囱
The ship's funnel is visible from the shore.
从岸上可以看到船上的烟囱。
（使）集中进入；（资金等）大量注入
The company funnelled millions into research and development.
该公司将数百万资金集中投入到研发中。
（人群等）汇流穿过；缩小集中
The protesters funnelled down the narrow street.
抗议者们汇流穿过狭窄的街道。
经由…汇聚；集中经过
All requests must funnel through the manager.
所有请求都必须经经理集中处理。
我正坠入爱的漏斗。
Use a funnel to pour the oil into the bottle.
用漏斗把油倒进瓶子里。
Dictionary facts from ECDICT, WIKTIONARY.