This number is ten times ten-duodecillion.

Masashi is my best friend.

Naomasa is my best friend.

I think his answer is correct.

His body is very healthy.

He made three robots.

He exercises his body every day.

His body looks like that of an athlete.

He made a model of a regular tetrahedron.

The blastula stage is an early stage where the fertilized egg divides and becomes a cell with many cells.