rheid ; software ; soft tissue ; soft body
"随着时间的推移，软体动物的进化速度是一致的。
Evolution of mollusks proceeded at a uniform rate over time.
事实上，含有软体动物的化石层已经被发现很多年了。
In fact, fossil beds containing soft-bodied animals have been known for many years.
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。
He might take a clip of a mollusk going up and down in the water and set it to music.
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