Nitrocalcite

[naɪtrəʊ'kælsaɪt]

解释:

(noun.) the mineral form of calcium nitrate.

校对:米里亚姆--From WordNet

解释:

(n.) Nitrate of calcium, a substance having a grayish white color, occuring in efforescences on old walls, and in limestone caves, especially where there exists decaying animal matter.

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