drive board is not connected to main board 这句子什么意思?

“Board to Board"的中文意思 board brick什么意思啊 board main board的中文名是什么? 这句话什么意思 the board temperature theory Turbo Pascal中的board什么意思? encoder not connected什么意思 cable not connected什么意思 electricity board的意思 Is that a board? 英语短文意思look!look!look!my classroom is great!board,board,black on board什么词性?