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部屋， へや
1. room, chamber
2. apartment, flat, pad
3. stable
房间；公寓，套房，住所
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汚い， 穢い， きたない
1. dirty, filthy, foul, unclean
2. disordered, messy, untidy, poor (e.g. handwriting)
3. indecent (language, etc.), dirty, vulgar, coarse
4. dastardly, mean, base, underhanded
5. stingy, greedy
肮脏的，污秽的，恶臭的，不洁的；杂乱无章的，凌乱的，不整洁的，糟糕的(例如：字迹)
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
