我们历史老师中等身高.他对我们很严格.
Our history teacher is of medium .He is very with us.
About 300 to 1,300 red﹣crowned cranes to Yancheng Nature Reserve every year to spend the winter.(fly)
We can't judge a book by its cover or its title. (simple)
A good neighbour is than a brother far away.(good)
Greenhouse gases are to the environment. (harm)
There're many rocks in unusual shapes﹣ some hang down, and others upwards. (指向)