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には
1. to, for, on, in, at
2. in order to, for
3. as for, regarding
4. while it is (was) the case that ..., indeed ... (but), certainly ... (but)
tbd
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洗濯， せんたく， せんだく
1. washing, laundry
2. relaxation, rejuvenation, melting away (of worries, fatigue, etc.)
洗涤、洗衣；放松、恢复活力、消除(忧虑、疲劳等)
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を
1. indicates direct object of action
2. indicates subject of causative expression
3. indicates an area traversed
4. indicates time (period) over which action takes place
5. indicates point of departure or separation of action
6. indicates object of d...
表示动作的直接对象；表示经过的场所；表示离开或分开的点