The lampshade has a double skin so that it remains cool.这个灯罩有两层，不会发烫。This room remains cool all summer.这个房间整个夏天保持凉爽。It took all my willpower to remain cool and tell him not to let it happen again.我竭力保持镇静，叫他不要再让这种事情发生。He remained cool before the enemy.在敌人面前他保持镇静。