請給我以下的英文單字的定義和句子急><...... - 足球

1.soccer 足球
a game played on a field between two teams of 11 players each with the object to propel a round ball into the opponent's goal by kicking or by hitting it with any part of the body except the hands and arms
2.basketball 籃球
a usually indoor court game between two teams of usually five players each who score by tossing an inflated ball through a raised goal
3.badminton 羽毛球
a court game played with light long-handled rackets and a shuttlecock volleyed over a net
4.table tennis 乒乓球 :
a game resembling tennis that is played on a tabletop with wooden paddles and a small hollow plastic ball

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什麼叫定義?什麼樣的定義?