He is an expert in sociolinguistics.

I am very interested in sociolinguistics.

The macaw is a bird with colorful feathers.

He is interested in the study of international auxiliary languages.

I have been to Santo Domingo.

Trinidad and Tobago is a country located in the Caribbean Sea.

This lime sulphur is very effective in preventing pests and diseases in fruit trees.

The era of the Three Sovereigns and Five Emperors is an important period in Chinese history.

I lost my My Number card.

Thank you very much, your help was really useful.