Abstract algebra is a field of mathematics that studies algebraic structures in an abstract way.

The exam ended and the results were good, so I thought 'all's well that ends well'.

In this chemical reaction, pyruvate is produced.

The United Arab Emirates is a country in the Middle East.

Will you marry me?

An earthquake early warning was delivered to my mobile phone.

I carefully observed his every single move.

He has done everything he can to prepare for the exam, and now he is in a state of 'doing all that is humanly possible and waiting for fate to take its course'.

He was taken to the hospital for an acute myocardial infarction.

He explained the importance of studying while young, saying 'If you do not study when you are young, it will be difficult to learn when you are old.'