They told dirty jokes and sang raucous ballads.他们说着荤段子，哼着不着调的小曲儿。'You Don't Know Paris' is one of the most beautiful ballads that he ever wrote.《猜不透的巴黎》是他创作的最为优美动听的情歌之一。He is a protean stylist who can move...
镁和 芸 苔素内 酯 是植物生长发育的重要营养与调节物质.Magnesium and brassinolide ( BRs ) are important nutrition and regulator in plant growth and development.采用高效液相色谱(HPLC)法测定槟榔花粉中芸苔素内酯的含量.HPLC was used to determine the content of brassinolide ...