chalk siv los ua lub npe: A soft, dawb, hmoov limestoneIb daim av nkos, lossis, ntau zaus, ua tiav cov chalk, uas yog siv rau kev kos duab thiab sau ntawv ntawm ib daim ntawv dub. Tailor lub chalk. Cov hmoov dawb siv los tiv thaiv txhais tes los ntawm kev tuav thaum nce toj.
hom lus twg yog chalk?
/ (tʃɔːk) / npe. cov pob zeb mos zoo nkauj dawb sedimentarymuaj ze li ntawm cov calcium carbonate, muaj cov pob txha pob txha ntawm cov kab mob hauv hiav txwv, feem ntau tsis muaj cov khoom siv cementing. ib daim av nkos lossis ib yam khoom xws li chalk, feem ntau muaj xim, siv rau kev sau ntawv thiab kos duab rau ntawm daim ntawv dub.
txhais li cas thaum ib tug hais tias chalk?
Lo lus chalk hauv kev twv txiaj kis las tsuas yog txhais tau tias sab ntawm thawj koom ruam yog qhov nyiam - feem ntau hnyav heev, lossis muaj zog, nyiam - kom yeej sab ntawm thawj koom ruam.
Puas yog lo lus chalk singular lossis plural?
Lub npe chalk tuaj yeem suav tau lossis suav tsis tau. Feem ntau, feem ntau siv, cov ntsiab lus, ntau daim ntawv tseem yuav yog chalk. Txawm li cas los xij, hauv cov ntsiab lus tshwj xeeb, ntau daim ntawv tuaj yeem yog chalks xws li. nyob rau hauv kev siv rau ntau hom chalks los yog ib tug sau ntawm chalks.
Yuav ua li cas thiaj hu ua chalk?
noun. 1. ib mos, dawb, hmoov limestonemuaj cov pob txha pob txha ntawm foraminifers. 2. ib daim av nkos los yog cov khoom zoo li chalk rau kev kos, ua ib daim ntawv dub.
