Another type of fossilization, known as carbonization, occurs when soft tissues are preserved as thin films of carbon.

叫做碳化的另一种石化类型，发生在软组织以碳薄膜形式被保存下来的过程中。

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Although it is certainly true that the possession of hard parts enhances the prospect of preservation, organisms having soft tissues and organs are also occasionally preserved.

虽然坚硬部件的拥有确实增加了保存的可能，但拥有软组织和器官的有机体偶尔也会被保存下来。

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With the faster growth of both hard and soft tissues of nose and chin, the lips become comparatively retrusive.

随着鼻子和下巴的硬组织和软组织的快速生长，嘴唇变得相对后缩。

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