在后的用法和樣例：
例句
-
其他人落在后面很遠。
The others are a long way behind. -
我們登山時(shí)他總是落在后面。
He always falls behind when we're going uphill. -
有只狗在后面，這只貓飛快地越過(guò)馬路。
The cat streaked across the road with a dog behind it. -
我們出去散步時(shí)，孩子們總是落在后面。
The children always lag behind when we go for a walk. -
幾個(gè)孩子跟不上父母的步子，落在后面。
A few young children are straggling along behind their parents.
