This apple has completely turned green.

She suddenly changed her personality, surprising everyone.

He hit a jackpot at the pachinko.

He likes to take a walk in the park at dusk.

He learned speed reading to increase his reading speed.

I maintain my health by doing aerobic exercises every day.

His new song is composed in E flat major.

Variational method is a branch of mathematics used to find the minimum and maximum values of functions.

We should always remember the power of Kannon in difficult times.

He was swimming freely as if he was a fish playing in the pot.