I reported the progress of the project to the department manager yesterday.

My father turns fifty this year.

I eat boiled eggs for breakfast.

In linear algebra, the upper triangular matrix plays a very important role.

The grammar of 'Jou-nidan' is an important part in learning Japanese.

My room is on the upper level.

His efforts finally brought about a spectacular result.

He is doing special exercises to strengthen his supraspinatus muscle.

By training the superior oblique muscle, there is a possibility that your eyesight can be improved.

He is doing special exercises to strengthen his superior rectus muscle.