A pot is a container that is usually made from earthenware or metal. Pots can be used for a great variety of things, and come in different shapes. Most pots are round but some are square, some have handles and some don't, some are narrow at the base and others are the same width the whole way up. Most pots have no lid but some do.
Pots can be used to store things in, to cook food in, or to grow plants in.
Pot is also a slang term for marijuana.
A robot is a mechanical device that appears to be able to move around and do things by itself. Robots are usually programmed by a computer so this is not strictly true. Robots are mainly used as toys, in factories, and to go places that people cannot go, like deep underwater or on other planets.
Something rots as it breaks into smaller pieces and disintegrates, usually because it is decaying.
Scientific name: allium oschaninii
A slingshot is a weapon made from a Y-shaped arm with an elastic band connecting the two arms. There is usually a pocket for a stone or other projectile in the centre of the band. Slingshots can be very accurate, and can be used to hunt small game.
Something is spotted if it has a pattern of small, round things all over it. Many animals are spotted. If the spots are perfectly round and even they are usually called dots. People will usually call animals covered in dots spotted and clothes covered in spots to be dotted.
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Sri Jayawardenapura Kotte is the capital of Sri Lanka. It is just outside the larger city of Colombo, which is where the picture was taken. Sri Jayawardenapura Kotte has a population of around 115,000.