| 单词 | perkiness |
| 例句 | DEFINITIVE EXAMPLES 权威例句When I went to visit him in hospital, he had lost his former perkiness and was looking much older.当我去医院看望他的时候，他不再有以往的勃勃生气，看起来老多了。剑桥国际 |
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忘记本身就是一件不可能的事。-「我们的存在」
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