雅思词汇天天练：亲属关系知多少

女婿son-in-law;媳妇daughter-in-law姊夫/妹夫brother-in-law;嫂子sister-in-law;堂兄弟姊妹cousin;独生子onlyson;血亲bloodrelative;单亲singleparent继子stepson;继女stepdaugh