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...
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。...