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Barium

['beərɪəm] or ['bɛrɪəm]

解釋/意思:

(noun.) a soft silvery metallic element of the alkali earth group; found in barite.

埃斯蒂斯整理--From WordNet

解釋/意思:

(n.) One of the elements, belonging to the alkaline earth group; a metal having a silver-white color, and melting at a very high temperature. It is difficult to obtain the pure metal, from the facility with which it becomes oxidized in the air. Atomic weight, 137. Symbol, Ba. Its oxide called baryta.

整理:利亚

解釋/意思:

n. the metal present in heavy spar (sulphate of baryta) and baryta formerly thought to be white but now known to possess a yellow colour.—adj. Bar′ic.

校對:沃尔多

例句/造句/用法:

乔斯林編輯

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