48.be afraid of （doing ）sth 害怕（做）…… be afraid to do 不敢做某事
49.lay eggs 下蛋 (laylaid)
50.different kinds of dinosaurs 不同种类的恐龙 all kinds of … 各种各样的…
51.weigh 100 grams at birth 在出生时称100克
52.live up to 活到…… We waited until(= up to )ten o'clock last night
53.a thank-you letter 一封感谢信
54.a five-year-old boy 一个5岁的男孩 an eight-day holiday 一个8天的假期
55.I still remember your words about tortoises 我仍旧记得你对乌龟的描述
56.Ants can smell things as well as dogs can 蚂蚁能与狗一样闻东西
57.tell sb （not）to do sth 告诉某人做（不做）某事
I now understand why my mother always tells me to clean the table after a meal
我现在理解为什么我妈妈总是叫我饭后擦干净桌子
58.It says/reads that goldfish can only remember things for three seconds
据说/上面写着金鱼只能记住三秒种之内的事
59.They don’t know what happened to them three seconds ago .
它们不知道3秒钟前它们发生过什么 sth happen to sb 某人发生某事
60.during one's life 在某人的一生中during our lives在我们的一生中 save one's life 挽救某人的生命
61.the weight of…… ……的重量 weigh yourself 称自己的重量
weigh（v）----weight（n） These bananas weigh three kilograms这些香蕉重3千克
What's the weight of an elephant ? = How much does an elephant weigh ?
一头大象的重量是多少? =How heavy is an elephant ?
62.poisonous frogs 有毒的青蛙 poison (n) 毒药、毒物--- poisonous （adj）有毒的
Snakes have enough poison to kill a person 蛇有足够的毒来杀死人
be beautiful but poisonous 美丽但有毒
63.live on land (生活)在陆地上
64.love playing cards 喜欢玩纸牌
65.stop to have dinner 停下来吃饭 (另考题：Who can make the baby stop crying?)
66.name……after……以……命名name the food after the man 以此人的名字命名这种食物
67.in history 在历史上China is a country with a long history .中国是一个历史悠久的国家
68.at the age of 21 在21岁时 = at 21 At the age of 5 （= When he was 5 ），he began to play the piano
69.keep on doing 继续做…… keep on playing 继续玩
70.few of them 他们中很少有人 few fiends 很少的朋友 a few friends 几个朋友
71.some beautiful dresses made of silk and cotton 一些由丝和棉制成的漂亮服装/连衣裙
72.thousands of years ago 数千年前
73.learn a lot about Chinese history 学到许多中国的历史
74.be surprised to do sth 吃惊的做某事 be surprised at sth 对……感到吃惊
75.have a dream 做梦
76. a UFO /a useful book /an umbrella 一个飞碟/一本有用的书/一把伞
77.kick a stone / can 踢石头 / 踢罐头
78.next time 下一次
79.so many amazing animals 如此多奇怪的动物
80.be tired after the visit 参观后累了
81.the last dodo 最后的渡渡鸟
82.a black-and-white TV set 黑白电视
83.decide to do sth 决定做某事 (名词：decision 如：make a decision )
84. a trip to a museum 去博物馆的旅行
85.the Funny World Museum 趣味世界博物馆
86.have a great/good time = have fun = enjoy oneself 过得愉快
87two scarves = two scarfs 两条围巾 (scarf的复数有两种scarfs或scarves)
88.take photos (of sb.) = take pictures 拍照
91.eat……as dinner 吃……作为晚饭
92.enjoy the visit to the museum very much 非常喜欢去博物馆的旅行
93.There are few foods that Millie dislikes. 几乎没有什么食品是Millie 不喜欢的。