sister /ˈsistə/ n.[c] 1. 姐妹,姐,妹:an elder sister 姐姐;a younger sister 妹妹 They are brother and sister. 他们是兄妹。2.同类型的东西:sister ships(schools) 姐妹船(学校)
sister /ˈsistə/ n.[c] 1. 姐妹,姐,妹:an elder sister 姐姐;a younger sister 妹妹 They are brother and sister. 他们是兄妹。2.同类型的东西:sister ships(schools) 姐妹船(学校)