tajny poufny 用英语:

Whales are classified as mammals.

Research has shown that in a study on 4 000 plants, no less than 22% were classified as threatened.

The treatment of classified information has to be carefully considered.

Criminal law, also known as penal law, involves prosecution for an act that has been classified as a crime.

Today, one of every seven people in Western Europe is classified as elderly.

The librarian classified the books according to subject.

In the first years that Coca-Cola was produced, it contained cocaine. In 1914, cocaine was classified as a narcotic, after which they used caffeine instead of cocaine in the production of Coca-Cola.