在前面的用法和样例：
例句
-
这一点在前面一段里已经交代过了。
This point has been dealt with in the preceding paragraph. -
他在前面跑，其他人紧随其後。
He ran ahead, with the others hard on his heels. -
有一匹马在前面，把後面的落得越来越远了。
One horse drew further and further ahead. -
头等车室在前面。
The first-class compartments are in front. -
我愿意坐在前面。
I'd like to sit in front. -
这腰带是在前面打结还是在後面？
Does this sash tie in front or at the back? -
他跑在前面。
He ran ahead.
