- assortative mating 社会
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单语范例（未经PONS编辑处理）
The song-flight during the mating season is an amazing spectacle.
en.wikipedia.org Yeast with the same mating type will not fuse with each other to form diploid cells, only with yeast carrying the other mating type.
en.wikipedia.org A remarkable feature of this species is that the males show complete die-off after mating, leaving the females to raise the young alone.
en.wikipedia.org They are territorial and call loudly and frequently during the mating season.
en.wikipedia.org If the grease smears over the entire taper surface on mating, too much is being used.
en.wikipedia.org