副词 adv.
1.在前;向前The hills ahead are not wooded. 前面的山上没有生长树木。
2.预先,事前You'd better plan ahead. 你最好事先计划一下。
3.领先,占先Two people were ahead of us, and travelling fast. 有两个人在我们前面,走得很快。
4.多赚,赢得祝你学习进步
匿名回答于2019-07-24 02:29:16
