Altostratus clouds are spreading in the sky, it looks like it's going to rain.

He has an advanced academic background, and his knowledge is extensive.

The shell height of this shell is 5 centimeters.

His arrogant attitude irritated me.

His esteemed teachings had a great impact on my life.

Kazutaka is my best friend.

Kazutaka is my best friend.

My younger sister became a first-year senior high school student this year.

My younger brother is currently in his third year of high school, preparing for university entrance exams.

My younger sister is in her second year of senior high school, and she is busy studying every day.