foam 核心词议：
n. 泡沫；水沫；灭火泡沫
vi. 起泡沫；吐白沫；起着泡沫流动
foam 基本解释
vi. 起泡沫；吐白沫
n. 泡沫；泡沫材料，泡沫状物
vt. 使起泡沫；使成泡沫状物
速记方法
速记技巧
词源记忆法
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.
知识扩展
习语积累
v. foam at the mouth 1 (especially of an animal 尤指动物) 口吐白沫（尤指因发病或暴怒） to have a mass of small bubbles in and around its mouth, especially because it is sick or angry 2 (informal) (of a person 人) 大发雷霆 to be very angry
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.
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.
foam
精选例句
1、 The breaking waves left the beach covered with foam.
浪花四溅，海滩上满是泡沫。
常见考点例句：
- Out of foam core , using a laser cutter .
- 这几个字用激光切割器刻在泡沫上面。
- The balloon was covered by pieces of foam plastic with two holes for lenses of two cameras .
- 用很多片状泡沫塑料盖住气球，留出两个洞用来放相机的镜头。
- But meyers discovered that the foam is actually a complicated network of tiny scaffolds and thin membranes .
- 但梅尔发现这泡棉是由细小的支架和薄膜构成。
- White foam from the water sprayed the road .
- 水中的白色泡沫喷到了路面上。
- When the liquids have almost evaporated , you can see the foam subsiding .
- 等液体几乎全部蒸发完时，你会看到泡沫渐渐消退。