to change the way you behave over a period of time in order to be successful in a new situation
Some animals, like wooly mammoths, adapted to the cold.
anxious
feeling worried or distressed about something that might happen in the future
There was a worried expression on his face that indicated an anxious mind.
battle
a violent fight between two or more groups of armies or people that is usually part of a broader conflict
The two knights fought each other in a battle.
brief
short
I opened my show at 11:05 with a brief introduction about his background.
clue
an object or fact that helps someone understand something or solve a mystery
There were significant clues that needed to be investigated.
patient
a person who is being treated by a doctor, dentist etc
The hospital had too many patients.
politics
the activities or ideas involved in affecting and influencing government policies
Lincoln is a legendary figure in American politics.
reveal
to make something known to others
The DNA extracted from these bits of whale skin reveals their relationships to each other.
whisper
to speak with soft, hushed sounds whisper quietly if you need to talk.
witness
a person who gives evidence in a court of law
My family had to go to the court as witnesses.