人类起源 rénlèiqǐyuán origin of humanity Definitions Defs Origin Strokes Stroke Words Sentences Sents 人类起源 人類起源 rénlèiqǐyuán origin of humanity the origins of mankind; the beginning of the human species
人类起源 人類起源 rénlèiqǐyuán origin of humanity the origins of mankind; the beginning of the human species
