点击下方单词,选择对的这个单词
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形容词
1. 不感激的；不领情的；忘恩负义的If you describe someone as ungrateful, you are criticizing them for not showing thanks or for being unkind to someone who has helped them or done them a favour.
形容词unthankful
形容词grateful
多通过句子记忆单词，而不是单独死记硬背。
