doubly dentate（重齿缘）是什么意思？音标发音+图解场景

重齿缘 /ˈdʌbəl ˈpleɪt/ n

English: doubly dentate · 重齿缘

释义：Leaf edged with teeth of different sizes, the main tooth often having smaller teeth.

这个词出现在以下图解场景（1）