农药 nong yao lei ding ji qi kan
鸟类学 niao lei xue ding ji qi kan
农学 nong xue lei ding ji qi kan
农业 nong ye lei ding ji qi kan
汽车 qi che lei ding ji qi kan
气象 qi xiang lei ding ji qi kan
燃烧 ran shao lei ding ji qi kan
人才 ren cai lei ding ji qi kan
人类学 ren lei xue ding ji qi kan
人文 ren wen lei ding ji qi kan
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