单词	house trap
释义	house trap noun : a trap in the house drain for preventing the entrance of gases from a sewer Word History First Known Use 1851, in the meaning defined above
随便看	mercer merceries mercerisation mercerisations mercerise mercerised merceriser mercerisers mercerises mercerising mercerization mercerizations mercerize mercerized mercerizer mercerizers mercerizes mercerizing mercers Mercersburg mercery merch merchandisable merchandise merchandise freight

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