增加一个字母s变成新单词：
thirsty:
thirsty发音： /ˈθɜːstɪ/ .
释义：口渴的
例句：
If you are thirsty， you feel a need to drink something.
Drink whenever you feel thirsty during exercise.
锻炼时一感到口渴就喝水
举一返三:
room--broom扫帚 wing ---swing 飘摇 thirty---thirsty 口渴 an--any eαr--year here--there αir--hαir ……
