on, over & above under, beneath & below above over on under
介词onoverabove和underbelow在空间上的关系
onover和above的用法区别
aboveoveron的区别
图片内容是:onaboveover的图解
aboveoveron的区别
unit3 方位介词之on,over和above的区别
(辩) over, on, above
微信课件辨析above, below, over, under和on
on和beneathover和aboveunder和below表示方位的介词