birthstone
/'bɜːθstəʊn/ /'bɜːrθstoʊn/
n. 
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lenticide, lenticle, lenticonus, lenticula, lenticular, lenticular nucleus, lenticularis, lenticulate, lenticulated, lenticulation,
相似单词
birthparents, birthplace, birthrate, birthright, birthroot, birthstone, birthwort, biruet, biryani, bis,