In order to calculate the centroid of this shape, you need to know the area of each part and the position of its centroid.

I'm excited to hear that a new project is starting.

He always has a high sense of alertness.

He has a strong ambition and is always seeking self-improvement.

Japan's real economic growth rate is expected to exceed 2% this year.

Please turn on the TV.

I soak my toothbrush in mouthwash every night.

He always nitpicks my work.

He was the one who set fire to this project.

I'm sorry, but I don't speak Japanese.