| 单词 | force cup |
| 释义 | > as lemmasforce cup force cup n. a rubber cup attached to a handle which by creating a vacuum in a blocked drain is used to clear it. ΘΚΠ the world > physical sensation > cleanness and dirtiness > clearing of refuse matter > [noun] > clearing drain or sewer > device for grate-iron1750 plunger1885 force cup1907 1907 Yesterday's Shopping (1969) 118/3 Force Cup. For cleansing stopped pipes, drains, &c. 1951 Good Housek. Home Encycl. 257/1 Try using a rubber force cup with a vigorous up-and-down movement. 1960 D. V. Davis Domest. Encycl. i. 54 An emergency force cup can be made by cutting a piece out of an old rubber ball, placing the pole over the sink outlet and squeezing the ball several times. < as lemmas |
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