For her, books were as necessary to life as bread.对她来说，书就像面包一样，是生活必需品。Try to eat at least four slices of bread a day.每天尽量至少吃4片面包。The crew of the ship gave them nothing but bread to eat.船上的工作人员除了面包什么也不给他们吃。...
This initial layer, formed of both cellulosic and noncellulosic materials, is called the primary wall.这头一层由纤维素和非纤维物质构成, 被称作初生壁.Used mainly for cellulosic - based textile printing and dyeing.主要用于纤维素类纺织品的印花和染色.Cellulosic b...