"There are still seven chicks" is the way to say "还有7只小鸡" in Engpsh.

The phrase "there are" is used to describe the existence or presence of something. It is often used in sentences to indicate the quantity of something.

For example, you can say "there are seven chicks" to indicate that there are seven chicks present.

Here are a few more examples of sentences using the phrase "there are":

"There are three apples on the table." (这桌子上有三个苹果)
"There are many people at the concert." (音乐会上有很多人)
"There are only a few seats left." (只剩下几个座位了)

As for the origin of the phrase "there are", it is a common Engpsh phrase that has been used for many centuries. It is a simple and effective way to describe the presence or existence of something.