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預け， あずけ

1. custody, keeping, checking-in (e.g. bags)

tbd

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荷物， にもつ

1. luggage, baggage, package 2. burden 3. payload (of a packet, cell, etc.)

行李

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何個， 何箇， なんこ

1. how many pieces

几个(？)

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は

1. indicates sentence topic 2. indicates contrast with another option (stated or unstated) 3. adds emphasis

指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调

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