indusium /in'dju:ziәm, -'du:ziәm/ 📖 中文释义 n. [植]柱头下毛圈, 囊群盖 📘 English Definition(英文释义) n a membrane enclosing and protecting the developing spores especially that covering the sori of a fern ← indusiate I 字母词表 industria →