介绍:
KB1 Unit4 My family
41. mother [ˈmʌðə(r)] 母亲
42. father [ˈfɑːðə(r)] 父亲
43. brother [ brʌðə(r)] 兄,弟
44. sister [ˈsɪstə(r)] 姐，妹
45. grandfather [ˈɡrænfɑːðə(r)] 祖父，外祖父
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