KNO

Could you please let me kno when we get to the public library?

到公共图书馆站时请您告诉我好 吗 ?

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Transparent, colourless, or white powder or crystals of potassium nitrate ( KNO 3 ) , found native in deposits.

硝石:硝酸钾的无色透明白色的粉末或结晶体, 产于天然的矿床.

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