一种钙化物 a calcium compound 多种 multiple; various; diversified◇多种产品厂商 multi-product firm; 多种产品定价法 multiple-pro ..
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Egg shell: Egg shell has little nutritional value. It is just a build up of a calcium compound.
蛋壳:蛋壳含有很少的营养价值,是由钙的化合物构成。
A binary compound consisting of carbon and a more electropositive element, especially calcium.
碳化物一种二元化合物,由碳和一个电正性的元素,尤指钙,组成。
A caustic acidic crystalline compound, NHCNH, prepared by treating calcium cyanamide with sulfuric acid.
一种腐蚀性的酸性晶体化合物,NHCNH,可通过硫酸作用于氢氨化钙制取。
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