A stream of lava 熔岩流

formerly 原

flowed 流出

over 过

the bed 床

of sea, 海，

triturated 捣碎

recent shells and corals, 最近的贝壳和珊瑚，

baked into 烤成

hard white rock. 坚硬的白色岩石。

A precarious matter. 一个不稳定的问题。

I found 我发现

a curious 好奇

little stony 小石头

Cellaria. Cellaria 。

Each cell provided with 提供与每个细胞

a long 长

toothed 齿

bristle 猪鬃

capable of 能

various 各

and rapid motions. 快速的动作。

Simultaneous, 同时，

and can be produced 并且可以制造

by irritation. 受刺激。