Essential amino acids cannot be produced by the human body, so they need to be obtained from the diet.

He said, 'If you want to shoot a man, first shoot his horse,' and began to solve the smaller problems first.

We will act according to the Mountain Standard Time.

This shape is called a gyrobifastigium.

He ate three apples.

The character '喰' means to eat.

He is composing a poem.

He is studying late into the night to learn a new computer language.

In linear algebra, triangular matrices play a very important role.

A lower triangular matrix is a matrix where all the elements below the main diagonal are zero.