avail有效用，利益;等意思，那么你知道avail的过去式是什么吗?今天一起来学习一下avail的过去式以及avail的用法和例句，希望对大家的学习有所帮助!
avail的过去式及其它时态
avail的过去式:availed
avail的复数:avails
avail过去分词:availed
avail现在分词:availing
avail第三人称单数:avails
avail的用法和例句
1、He spent money without avail.
他白花钱了.
2、Now it's done, regrets are of no avail.
事已如此, 后悔也是枉然.
3、I am afraid my eloquence did not avail against the facts.
恐怕我的雄辩也无补于事实了.
4、Of what avail is it?
何济于事?
5、We've economised as much as possible, but to little great avail, since we still owe a lot of money.
我们尽可能节俭, 但没什么用, 因为我们仍然欠了一大笔债.
6、We tried to keep him alive but to no avail.
我们全力抢救他,但却徒劳无功.
7、So the guard watched him ever more closely, but to no avail.
所以警卫更加小心地盯紧他, 但是这样做完全于事无补.
8、Nothing could avail against our attack.
没有什么事能阻止我们进攻.
9、Now that you have the chance, you have better avail your self of it.
你既然有这个机会, 最好利用它.
10、Conduct related sales promotion actively, and improve sales expense avail continually.
积极开展与本区业务相适应的宣传促销活动, 不断提高营销费用的效益.
