noun - one of the group of cold-blooded animals which come out of eggs and whose body is covered with scales (e.g. a crocodile, snake, etc.)

noun - a kind of advertisement for a film that is made up of short parts of the film put together in an exciting and teasing way

noun - a plastic tube (usually with a needle) that is used to suck liquid out of something or push liquid into something (e.g. blood, drugs etc.)

preposition - a preposition we use when we want to say we prefer one thing rather than something else, that something is better than something else etc.

noun - a state in the west of the USA known for its deserts, the capital of gambling - Las Vegas (although the real capital is Carson City)

noun - (the chemical element of atomic number 28) a silvery-white metal similar to iron, it is used in many different alloys and in galvanizing iron

noun - (the chemical element of atomic number 17), a toxic yellow gas, it is used e.g. to purify water, as a disinfectant in swimming pools etc.

phrase - not to join in a fight, argument, not to behave the way others do, to ignore idiocy, to do what you think is morally right

noun - a baby that develops from an egg that is fertilized outside of a mother's body and then put back in her womb to finish developing