英语语法分析

He might take a clip of a mollusk going up and down in the water and set it to music.

他可能会截取软体动物在水里上上下下的片段，然后配上音乐。

The name of the mollusk was porcelaine.

而且，porcelaine曾经就是这种软体动物的名称。

I swear I have never seen such a mollusk with thorns all over its body.

我敢发誓我从来没有见过这种全身长满棘刺的软体动物。