Definition: If someone or something is in position, they are in the place that they should be in. Level: C1
音乐会在开始前，安保团队已就位。
The security team ___was ___in ___position before the concert started.
请确保所有设备为实验就位。
Please ensure that all equipment ___is ___in ___position for the experiment.
象棋棋子已全部就位，准备开始游戏。
The chess pieces ___are ___in ___position for the game.
