How does it come true that concrete batching plant...
*| a room at the back of the house 房屋内靠後面的一个房间 *| a house with a garden at the back 有後花园的房屋 *|You can't cut with the back of the knife. 用刀背就无法切割. *| the back of one's hand, ie the side with the nails and the knuckles 手背. Cf 参看 front 1. ...