Hina is the shortest in her class.

Please check the number of photos.

In order to solve this quantum mechanics problem, we need to find the eigenfunction.

The door won't open because this hinge is broken.

I want to go to Sweden.

He is passionate about researching pure mathematics.

Recently, I've been feeling heavy-headed due to lack of sleep.

I look forward to going to the sea for a swim with my family during the summer vacation.

Abstract algebra is a branch of mathematics that studies algebraic structures.

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