ungratefully
adv. 忘恩负义地, 徒劳地
词形变化
more ungratefully
比较级
most ungratefully
最高级
释义与例句
adv.
-
1.
In an ungrateful manner, done in a way lacking gratitude.
词汇关系
同义词 1
反义词 1
词源
From ungrateful + -ly or un- + gratefully.
来源：wiktionary