New Words：

dragonfly [ˈdræɡənflaɪ] n. 蜻蜓
mushroom [ˈmʌʃrʊm] n. 蘑菇

Sample Sentences：

A giant dragonfly was sitting on my bed.
The dragonfly feeds on mosquitoes and flies.

There are many types of wild mushrooms.
Some mushrooms are good to eat; some are poisonous.

poisonous [ˈpɔɪzənəs] adj.引起中毒的；有毒的；分泌毒素的；能毒伤人的

New Words：

prefer [prɪˈfɜːr] v. 较喜欢；更喜欢；宁愿；宁可

prefer doing sth to doing sth 喜欢（做）…胜过（做）…/比起（做）…，更喜欢（做）…

Sample Sentences：

I much prefer cats to dogs.
Which one do you prefer, an apple or an orange?
I prefer staying at home to going out in such a cold day.

New Words：

bumper [ˈbʌmpər] n.（汽车头尾的）保险杠

Sample Sentences：

I want to ride in the bumper cars.
There is a hole in the bumper of my car.
The cars were bumper to bumper on the road to the coast.

New Words：

bump [bʌmp] v.碰；撞
bump into 偶然碰到；遇见；(意外)撞到

Sample Sentences：

She bumped her head against a tree.
You could fall off the bed and bump your head!

In the dark I bumped into a chair.
I am really so sorry to bump into you.
I often bump into him at the supermarket.

New Words：

indoor [ˈɪndɔːr] adj.（在）室内的；在户内进行的；在室内用的
outdoor [ˈaʊtdɔːr] adj.户外的；野外的；露天的

Sample Sentences：

Badminton is an indoor game.
Did you go to swim in the indoor swimming pool?

Children all like outdoor sports.
Outdoor exercise makes us strong in mind and body.