Drink whenever you feel thirsty during exercise.
运动过程中渴了就喝点水。
If your child is thirsty for learning, then it is senseless to hold her back.
如果你的孩子渴望学习，那就不要毫无益处地进行阻拦。
She was suddenly thirsty and dry.
她突然口渴了。
Some kinds of food makes one thirsty.
有些种类的食物使人口渴。