单词学习：droop 动词
droop
/druːp/
下垂；低垂；萎靡不振
The flowers in the classroom began to droop, so Miss Gu watered them to make them fresh again.
教室里的花开始枯萎了，所以顾老师给它们浇水让它们重新焕发生机。
单词卡片
卡片已就绪
