This weight is very heavy.

Wednesday is the day of my piano lesson.

The source of this river is at the top of the mountain.

This building is built completely vertical.

He is very picky about food.

All his plans came to nothing.

He is good at playing the trumpet.

Numerical analysis is a branch of mathematics that studies techniques and theories for solving mathematical problems numerically.

This lake is filled with fresh water.

I'm planning to buy a new desktop computer.