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一日中， １日中， いちにちじゅう
1. all day long, all the day, throughout the day
整天，一整天，整日
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出かける， 出掛ける， でかける
1. to go out (e.g. on an excursion or outing), to leave, to depart, to start, to set out
2. to be about to leave, to be just going out
外出（例如参加郊游或外出活动）、离开、启程、出发、动身；即将离开，正要出门
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
