在上的用法和樣例：
例句
-
水泥未乾時不要在上面行走。
Don't walk on the wet cement. -
她準是暗地裡一直在上課。
She must have been having lessons on the sly. -
飛機在上空發出嗡嗡聲。
An aircraft droned overhead. -
我們在上半場贏了（領先於對方）兩個球。
We were two goals up (ie ahead of the other team) at half-time. -
現在一種新型小汽車正在上市。
A new type of car is on the market now. -
那匹馬肯定會贏，把你所有的錢都押在上面吧。
That horse is bound to win; put your shirt on it. -
綠皮書在那一堆書的底下，紅皮書在上邊。
The green book is at the bottom of the pile and the red one is on top.
