单词学习：droopiness 名词
droopiness
/ˈdruːpɪnəs/
下垂，低垂；萎靡不振，消沉
The droopiness of the flowers in the vase made 顾老师 realize they needed fresh water.
花瓶里花朵的下垂让顾老师意识到它们需要换水了。
单词卡片
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