Global relay

Meaning: This means the process of passing a signal or message around the world using a network of satellites. For example, when you watch a live sports event on TV, the signal is often transmitted using a global relay system.

Choice of Words: Global means relating to the whole world. Relay means to pass something on to someone else. When combined, "Global relay" refers to the process of transmitting a signal or message around the world using a network of satellites.

Alternative Expressions

The Earth spins on its axis.

Meaning: This means that the Earth is always moving and turning.

Choice of Words: The Earth is our planet. Spins means to turn around and around. Axis is an imaginary line that runs through the center of the Earth from the North Pole to the South Pole. So, when we say 'The Earth spins on its axis,' we mean that the Earth is turning around and around on this imaginary line.

The sun is a star.

Meaning: This means that the sun is a big, hot ball of gas that gives us light and heat.

Choice of Words: The sun is a big ball of hot gas that gives us light and heat. A star is a giant ball of hot gas that shines in the sky. So, when we say 'The sun is a star,' we mean that the sun is a giant ball of hot gas that shines in the sky and gives us light and heat.

Water is made up of hydrogen and oxygen.

Meaning: This means that water is made up of two different types of gas.

Choice of Words: Water is the liquid that we drink and that makes up most of the Earth's surface. Hydrogen and oxygen are two gases. When we say 'Water is made up of hydrogen and oxygen,' we mean that water is made up of tiny pieces of hydrogen and oxygen that are stuck together.

Related Expressions