frustules
📖 中文释义
- (frustule 的第三人称 -s形式) n. 硅藻细胞壳
🧩 词形变化
原形 frustule
📘 English Definition（英文释义）
- -s form of frustule
- n. The siliceous shell of a diatom. It is composed of two
- valves, one overlapping the other, like a pill box and its cover.