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。

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。

Those early animals were mostly made of soft tissues.

这些早期动物大多由软组织构成。

Periodontitis: Inflammation of soft tissues around the teeth.

牙周炎：牙齿周围软组织的炎症。