to become impossible to see.
Disappear
progress or a development in a particular activity.
advance
a problem or worry that somebody has with something
issue
to be very good at doing something
Excel
a special event that people organize in order to celebrate something
Celebration
The same size as a person or thing really is
Life-size
A container with a lot of water inside
Water tank
to develop into an adult.
Grow up
A person who is the first to study and develop a particular area of knowledge
Pioneer
to make information known to the public.
Publish
To produce or design something new
Invent(v)
a university teacher of the highest rank
Professor
A series of something that happens one after another
Sequence
a person that people admire and try to copy.
Role model
to give somebody the desire, confidence or enthusiasm to do something well.
Inspire