形容词
中文翻译：活泼的
同义词：
['cheerful', 'lively', 'vivacious']
例句：
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1. She is perky and always ready to greet guests.
她活泼开朗，总是热情地迎接客人。
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2. The children were perky and excited about the new playground.
孩子们活泼兴奋，对新游乐场充满期待。
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3. The dog was perky and jumped up at every sound.
那只狗活泼好动，对任何声音都跳起。