//=== 快感的英文
https://tw.ichacha.net/%E5%BF%AB%E6%84%9F.html
pleasant sensation; delight; pleasure; joy ;
快感學: hedonics
性快感: sexual pleasure
短暫的快感: fleeting pleasure
She would have liked to share with him the joy she had felt .
//=== https://dictionary.cambridge.org/us/dictionary/english/rejoice
rejoice
[vi] /rɪˈdʒɔɪs/
to feel or show great happiness
Everyone rejoiced at the news of his safe return.
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