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Teacher:
Today, we are going to learn the living environment of the animals. 
今天我们来讲讲各种动物的生活环境问题。
Teacher:
Aren't you familiar with dragonfly?
你们都很熟悉蜻蜓吧？
All:
Not so much.
不是特别熟悉。
Teacher:
OK, do you know what is the living environment for dragonflies?
好吧，那你们知道蜻蜓的生活环境吗?
Chuck:
A place with lots of mosquitos.
蚊子多的地方。
Teacher:
And what is the living environment for mosquitos?
那蚊子的生活环境呢？
Chuck:
A place lack of dragonflies.
蜻蜓少的地方。