not off the top of my head

not off the top of my head off the top of my rt Off the top of my head. I'm at the top of my A giant rolls a bowling ball with a uniform speed of 30 m/s (about 70 mph) across the top of his laA giant rolls a bowling ball with a uniform speed of 30 m/s (about 70 mph) across the top of his large desk.The ball rolls off the edge of the desk and Joe readily understands this--off the top of his head怎么翻译 this is just off the top of my head now怎么翻译? At three o'clock we reached the top ( )thehill.(of,off)选其中一个 feel top of the i just don't know off the top of my head.怎么翻译?不理解off 这个介词 I‘m the top 英语翻译the adjustable core should not be at the top of the range of adjustment it would be a good idea to use a plastic bottle,_______cut off,as a container to grow young plants in.a .of which the top b.the top is c.the top of which d.with its top i'm not having all of my hair cut off It is not possible of him to climb to the top of the mountain.单句改错 You can use a large plastic bottle ,( )cut off,as a pot to grow young plant in.A.the top is B.the top of which C.whose top D.with its top at the top of the at the top of the