单词	lead sulfide
释义	lead sulfide noun : an insoluble black compound PbS that occurs naturally as galena and is used in photoconductive cells Example Sentences Recent Examples on the Web The nation’s lead sulfide mining leader in the 1800s is a boutique shopping and dining mecca today, especially along Main St. Browse, buy or do (via a cooking or art lesson).The Mississippi River Valley drive is scenic in spades. Mary Bergin, Milwaukee Journal Sentinel, 13 Apr. 2018 Word History First Known Use 1869, in the meaning defined above
随便看	mu mu alai mu'adhdhin mu-meson mu-tan-chiang mu-tzu-tʼa-ko muazzin muazzins Mubarak muc- muc-hu mucates mucedinaceous mucedine mucedineous mucedinous much much as much less much maligned much of a muchness much to someone's regret much to someone's surprise much to the regret of much to the regret of (someone)

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