| 正面 | 6261.foam 英 [fəʊm]美 [fom]     |
|---|---|
| 背面 |      释义： foam 浮沫n. 泡沫；水沫；灭火泡沫vi. 起泡沫；吐白沫；起着泡沫流动vt. 使起泡沫；使成泡沫状物 例句： 1. We had given him a large foam mattress to sleep on.我们给了他一张大海绵床垫用来睡觉。 foam 泡沫来自PIE*spoi, 喷出，吐出，词源同spit, spew, spume. 原指海浪喷涌形成的泡沫，后词义通用化。拼写比较flint, splinter. foamfoam: [OE] Foam is an ancient word, with several relatives widespread among the Indo-European languages, all denoting generally ‘substance made up of bubbles’: Latin pūmex, for instance, from which English gets pumice, and probably Latin spūma, from which we get spume [14]. These and other forms, such as Sanskrit phénas and Russian pena ‘foam’, point to a common Indo-European source *poimo-, which produced prehistoric West Germanic *faimaz – whence English foam.=> pumice, spumefoam (n.)Middle English fom, fome (c. 1300), from Old English fam "foam, saliva froth; sea," from West Germanic *faimo- (cognates: Old High German veim, German Feim), from PIE root *(s)poi-mo- "foam, froth" (cognates: Sanskrit phenah; Latin pumex "pumice," spuma "foam;" Old Church Slavonic pena "foam;" Lithuanian spaine "a streak of foam"). The plastic variety used in packaging, etc., so called from 1937.foam (v.)Old English famgian "to emit foam, to boil," from the source of foam (n.). Sense of "become foamy, to froth" is from late 14c. Transitive sense is from 1725. Related: Foamed; foaming." |