Another type of fossilization, known as carbonization, occurs when softtissues 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。
2
Although it is certainly true that the possession of hard parts enhances the prospect of preservation, organisms having softtissues 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。
3
With the faster growth of both hard and softtissues of nose and chin, the lips become comparatively retrusive.