likely or prone to be affected by. conditionally upon. person or thing that is being discussed, described, or dealt with. cause or force person or thing to undergo.

gladly received. used to greet someone in polite or friendly way. instance or manner of greeting someone. To accept or receive something happily and gladly.

science of motion. Branch of physics concerned with motion of bodies.

person who is studying at university or other place of higher education. People studying at school.

Of or relating to several countries. Person playing sport for their country.

To know the meaning of language, what someone says.

plural word or form. Word that indicate more than one of something.

arranged in series or according to scale. To move up from a position to a higher, better one.

abbreviation formed from initial letters of other words. A word made from the first letters of other words.

person taking part in sport or game. Machines that play recorded material.

achieved or maintained by careful and deliberate effort. To focus on learning something usually at school.

To try to beat others at something, e.g. a race.

To guide or explain something, e.g. a town.

For a reason.

Vehicle that can fly.