名词
中文翻译：口袋积累器
同义词：
['savings jar', 'piggy bank', 'savings box']
例句：
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1. She keeps a small pocket accumulator in her purse to save money for emergencies.
她把一个小口袋储蓄器放在钱包里，以防紧急情况。
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2. The kids love playing with their pocket accumulators filled with candy and coins.
孩子们喜欢用装满糖果和硬币的口袋储蓄器玩耍。
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3. The old lady uses her pocket accumulator to store her valuable documents and jewelry.
老妇人用她的口袋储蓄器来存储她的珍贵文件和珠宝。