单词
foam
英 [f??m]
美[fom]
基本信息
- 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
TEM4IELTS考研常用词汇CET6低频词
词态变化
复数:?foams;第三人称单数:?foams;过去式:?foamed;过去分词:?foamed;现在分词:?foaming;
助记提示
foam 浮沫
中文词源
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.
英文词源
- foam
- foam: [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, spume - foam (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.
双语例句
- 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。
来自柯林斯例句
- 2. Bring a sleeping bag and foam mat.
- 带上睡袋和泡沫垫。
来自柯林斯例句
- 3. a glass of beer with a good head of foam
- 上面有厚厚一层泡沫的一杯啤酒
来自《权威词典》
- 4. She sat there, reclined against a foam rubber cushion.
- 她在那儿倚靠着海绵橡胶垫坐着.
来自《简明英汉词典》
- 5. Foam rubber provides good insulation.
- 泡沫橡胶隔绝性能良好.
来自《简明英汉词典》