字母oo组合发元音/u:/
n. 动物园
He took his son Christopher to the zoo.
他带儿子克里斯托弗去了动物园。
I thought we might go to the zoo on Saturday.
我觉得周六我们可以去动物园。
The kids had a ride on an elephant at the zoo.
在动物园里，孩子们骑着大象走了一圈。
We took the kids to the zoo as a special treat.
作为特别的消遣，我们带孩子们到动物园去。
To me the only justification for a zoo is educational.
对我来说，动物园存在的惟一正当理由就是它的教育意义。
