0 a large electronic screen linked to a computer, that is used in a classroom to show information and that can be written on by touching it with a finger, special pen, etc. -- 互动式电子白板
Most schools are now well equipped with interactive whiteboards. 现在大多数学校都配备了互动式电子白板。
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
再长的路,一步步也能走完,再短的路,不迈开双脚也无法到达。