pumice

/ˈpʌmɪs/

Meanings

noun

浮石，火山岩。

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. As the lava solidifies, the bubbles are frozen into the rock.

Examples :

"The geologist carefully examined the piece of pumice, noticing its light weight and many tiny holes. "

地质学家仔细检查了那块浮石，注意到它非常轻，而且有很多细小的孔洞。

verb

用浮石擦磨，用浮石磨光

To abrade or roughen with pumice.

Examples :

"She used a pumice stone to pumice the calluses on her feet. "

她用浮石打磨，来用浮石磨掉脚上的老茧。

material geology action

Related Words

noticing verb

/ˈnəʊtɪsɪŋ/ /ˈnoʊtɪsɪŋ/

注意到，觉察到

"The teacher was noticing students who were not paying attention in class. "

老师正在留意课堂上没有认真听讲的学生，并且可能会点名批评。

volcanic noun

/vɒlˈkanɪk/

火山岩

"The Ellesmere Island Volcanics are a Late Cretaceous volcanic group of volcanoes and lava flows in the Qikiqtaaluk Region of northern Ellesmere Island, Nunavut, Canada."

埃尔斯米尔岛火山岩是加拿大努纳武特地区埃尔斯米尔岛北部基吉柯塔鲁克地区晚白垩世时期形成的一组火山和熔岩流。

calluses noun

/ˈkæləsɪz/

老茧，胼胝

"After years of playing guitar, he developed calluses on his fingertips. "

多年弹吉他后，他的指尖长出了厚厚的茧子。

pyroclastic noun

/ˌpaɪroʊˈklæstɪk/ /ˌpaɪrəˈklæstɪk/

火山碎屑岩，火山碎屑。

"The geology class studied a sample of pyroclastic from Mount Vesuvius. "

地质学课研究了来自维苏威火山的火山碎屑岩样本。

containing verb

/kənˈteɪnɪŋ/

包含，容纳。

"The box containing my old toys was stored in the attic. "

装有我旧玩具的箱子被储存在阁楼里。

examined verb

/ɪɡˈzæmɪnd/

检查，审查。

"He examined the crime scene for clues."

他仔细检查了犯罪现场，寻找线索。

carefully adverb

/ˈkɛːfli/ /ˈkɛɹfli/

小心地，谨慎地，细致地

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

他小心地听着母亲的担忧，为她的失望感到难过。(Tā xiǎoxīn de tīngzhe mǔqīn de dānyōu, wèi tā de shīwàng gǎndào nánguò.)

geologist noun

/dʒiˈɒlədʒɪst/ /dʒiˈɑːlədʒɪst/

地质学家，研究地质的人

"The geologist studied the rocks in the park. "

地质学家研究了公园里的岩石。

solidifies verb

/səˈlɪdəˌfaɪz/

凝固，固化.

"The melted butter solidifies in the refrigerator. "

融化的黄油在冰箱里会凝固。

eruptions noun

/ɪˈrʌpʃənz/ /iˈrʌpʃənz/

喷发，爆发

"The volcano's frequent eruptions sent plumes of ash high into the sky. "

这座火山频繁的喷发将火山灰柱高高地送入天空。

igneous adjective

/ˈɪɡni.əs/

火成的，似火的.

"The stone had an igneous appearance."

这块石头看起来像被火烧过一样。

explosive noun

/ɪkˈsploʊsɪv/ /ɛkˈsploʊsɪv/

炸药，爆炸物

"The demolition crew carefully handled the explosive before the building implosion. "

爆破小组在建筑物内爆前小心翼翼地处理那些炸药。