regret---动词,懊悔,遗憾,
If you go now, you will regret it.
regret---名词,悔恨,懊悔,疼惜
I have no regrets about leaving.
regrettablly---副词,惋惜地,遗憾地
Regrettablly, the experiment ended in failure.
匿名回答于2020-02-27 12:03:46
