soft break down的意思|示意

美 / sɔft breik daun / 英 / sɔft brek daʊn /

软击穿

Because soft tissues tend to break down before they can become fossilized, there are few examples of soft-bodied creatures in the fossil record.

因为软组织通常在变成化石前已经腐坏，所以在化石记录中很少有软体动物的样本。