77.大约六头大象的重量 the weight of about six elephants
76.三秒之前 three seconds ago
75.饭后 after a meal
74. 写一封感谢信给某人 write a thank-you letter to sb
73. 也 as well as
72.能活到100岁 can live up to 100 years old
71.给某人看一些不同动物的照片
show sb some photos of different animals
70.下蛋 lay eggs
69.生活在陆地 live on land
68.重大约三公斤 weigh about three kilograms