He became convinced of the need for cheap editions of good quality writing.他开始相信大众对优秀作品的普及本有需求。Paperback editions prolong its life and increase his income.平装本延长了著作的寿命,使著作的收入有了增加.Scott, and later Dickens, flooded the coun...
空气中弥漫着刺鼻呛人的硫磺气味.The pungent, choking smell of sulphur filled the air.钠和硫磺腐蚀性很强。Sodium and sulphur are highly corrosive.他燃烧了一块预先仔细称过分量的硫磺.He burned a piece of sulphur which he had carefully weighed beforehand....