on(在......之上/事物在某一区域范围属于相邻接的关系) above(在......上方/不一定是正上方) over(垂直的正上方) below(在......的下方/不一定垂直) under(在......的垂直正下方) beside(在......的旁边) behind(在.......后) in front of(在........
顶部 coping;crest 底部 bottom 中部 central section; middle part 倾斜 obliquity;slope 地方 locatity; district;place 前面 before; in front of;ahead 后面 behind; afterwards; back
how many words to mean direction? such as east, west, south, north, northeast,southeast,beside,next to,near,off,on,in,before ,behind,in front of,in the front of,near, on the right/left,above,under,up,down,over