An event at which you learned something. encounter event or occurrence.

Space at the top of the stairs in a house/building. To (cause to) come down to the ground safely.

To succeed in a struggle against; defeat.

height. Height of something above sea level.

belonging to present. Electricity flowing through wires.

Grown bigger, older and more mature. To create or think of something.

Amount that a price is decreased by.

branch of science concerned with nature and properties of matter and energy. The study of heat, light, and energy on objects.

moving easily without using power. To progress in something without trying hard.

in or to any place. Use to indicate limits or variation. any place.

traveller on public or private conveyance other than driver or crew. People who are traveling in a vehicle.

planned or conceived in detail for specific purpose. To think of a plan.

thing used for transporting people or goods. Machines (such as a car) used to carry things.

desirable or useful feature or facility of building. Something that adds to people's comfort; facility.

supply with mechanical or electrical energy.