Word · Frequency #29060
pumices
浮石；轻石
pumices is the plural of pumice.
核心释义
a light glass formed on the surface of lava, used as an abrasive
- 1.
一种轻质多孔的火山碎屑岩,由爆炸性火山喷发形成,液态熔岩喷入水中或空气时成为含大量气泡的泡沫,熔岩凝固后气泡固结于岩石中。
A light, porous type of pyroclastic igneous rock, formed during explosive volcanic eruptions when liquid lava is ejected into water or air as a froth containing masses of gas bubbles, which are frozen into the rock as the lava solidifies.
- 2.
一种轻质玻璃,形成于某些熔岩表面；用作研磨剂
a light glass formed on the surface of some lavas; used as an abrasive
一种轻质多孔的火山碎屑岩,由爆炸性火山喷发形成,液态熔岩喷入水中或空气时成为含大量气泡的泡沫,熔岩凝固后气泡固结于岩石中。；一种轻质玻璃,形成于某些熔岩表面；用作研磨剂；轻石；浮石
用法In use
I use a piece of pumice to file down the hard skin on my elbows.
用法提示：pumice 作名词，指用于磨皮肤的浮石。
The soil in this pot contains pumice so that water drains quickly.
用法提示：pumice 作不可数名词，表示园艺中用的浮石。
This gentle scrub is made with crushed pumice, which removes dead skin cells.
用法提示：pumice 作名词，指护肤品中的磨砂成分。
a piece of pumice
pumice 作不可数名词，表示“浮石”；可用 a piece of 表示“一块”。
She used a piece of pumice to scrub the pan.
她用一块浮石擦洗平底锅。
pumice sth
作动词时，pumice 是及物动词，后接宾语，意为“用浮石磨光”。
相关词与表达Connections
搭配Collocations
- pumice stone
- 浮石；磨脚石
- She used a pumice stone to smooth the rough skin on her heels.她用浮石磨平了脚后跟粗糙的皮肤。
- pumice powder
- 浮石粉
- The cleaner contains pumice powder to remove stains without scratching.这种清洁剂含有浮石粉，可以去除污渍而不划伤表面。
- pumice soap
- 浮石皂
- He washed his hands with pumice soap to get the grease off.他用浮石皂洗手，想洗掉油污。
- volcanic pumice
- 火山浮石
- Volcanic pumice floats on water because of its many air pockets.火山浮石因含有许多气孔而能浮在水上。
- pumice the surface
学习提示Learner notes
记忆技巧Memory Tip
浮石 pumice：词尾像 ice（冰），轻得能像冰一样漂在水上，孔多如泡沫。
语境与语域Context & Register
语域：neutral 常见场景：geology、cosmetics、cleaning pumice 作名词指浮石/轻石，属于中性词，在地质、美容或清洁用品等场景中较常见，正式与口语表达均可使用。
语法说明Grammar Note
注意：pumice 作动词时的 -ing 形式是 pumicing（去掉词尾 e 再加 -ing）。
发音与拼写Pronunciation & Spelling
pumice is /ˈpʌməs/. hummus (US) rhymes with it. mice, rice, dice, notice, and police are all spelled with -ice, but their vowel sounds are /aɪs/, /ɪs/, or /iːs/, so they do not rhyme with pumice.
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.