The carbon in the past, be add on paper face have autotype a material of the function, common front opposite has, so, two sides can be used.是什么意思_The carbon in the past, be add on paper face have autotype a material of the function, common front opposite has, so, two sides can be used.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句