| 词汇 | belch |
| 词根词缀 | 词源： belch (v.) O.E. bealcan "bring up wind from the stomach," also "swell, heave," of echoic origin (cf. Du. balken "to bray, shout"). Extended to volcanoes, cannons, etc. 1570s. It is recorded in 1706 as a slang noun meaning "poor beer." |
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