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funnelling的英文翻譯是什麼意思，詞典釋義與在線翻譯：
英英釋義
名詞 funnel:
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a conical shape with a wider and a narrower opening at the two ends
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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
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(nautical) smokestack consisting of a shaft for ventilation or the passage of smoke (especially the smokestack of a ship)
