| 例句 |
Cool lemonade on a hot day is a good refresher.大热天里，冰镇柠檬水是极好的清凉饮料。Before we play, I need a refresher on the rules. 咱们开始游戏之前，我需要有人再给我讲讲规则。Some people need a refresher on how to be polite.有些人需要别人提醒如何注意礼貌。The staff is required to take refresher courses every three years.员工每三年要参加一次进修班。 |