Drink whenever you feel thirsty during exercise.
運動過程中渴了就喝點水。
If your child is thirsty for learning, then it is senseless to hold her back.
如果你的`孩子渴望學習，那就不要毫無益處地進行阻攔。
She was suddenly thirsty and dry.
她突然口渴了。
Some kinds of food makes one thirsty.
有些種類的食物使人口渴。