1. chess：chemical shiftselective saturation; 及化学位移选择饱和

1. 国际象棋
Chess is a game for two people, played on a chessboard. Each player has 16 pieces, including a king. Your aim is to move your pieces so that your opponent's king cannot escape being taken.

e.g. ...the world chess championships.
国际象棋世界冠军

noun

1. a board game for two players who move their 16 pieces according to specific rules
the object is to checkmate the opponent's king

Synonym: chess game

2. weedy annual native to Europe but widely distributed as a weed especially in wheat

Synonym: cheatBromus secalinus