Placodium
产囊原基层, 囊壳孔口处的硬皮层
🗣️ 情景例句
I wish I had your will power.
但愿我有你的意志力。
He that would have eggs must endure the cackling of hens.
欲图逸，得先劳。
It took great imagination as well as patience for Annie to teach me to speak.
教我说话需要极大的想像力和耐心。