重点词汇
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干净
neat and tidy; clean; pure; sanitary; unpolluted; cleanly; freshen; cleanse; clarity; cleanness; cleanliness
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空气
air; atmosphere; aero-
中英释义:
Clean air
干净
neat and tidy; clean; pure; sanitary; unpolluted; cleanly; freshen; cleanse; clarity; cleanness; cleanliness
空气
air; atmosphere; aero-