One summer night, her mother in other tossed and turned restlessly, unable to fall asleep.She felt very thirsty and wanted to drink a cup of cool water.

• 某个夏天的晚上，小女孩的妈妈觉得很不舒服，怎么也睡不着，只觉口乾舌燥，好想有杯清凉的水喝。