- 双语例句
1、
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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2、
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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