Other reliable evidence suggests that the deposition of the boundary clay could not have taken one million years.
其他可靠的证据表明，边界粘土的沉积不可能需要100万年。
2
Vitamin D, or calciferol, is another fat soluble steroid vitamin which functions to stimulate calcium uptake from the gut and its deposition in bone.
维生素 D，或钙醇，是另一种脂溶性类固醇维生素，其功能是促进钙从肠道吸收并沉积在骨头中。
3
The probability that actual remains of soft tissue will be preserved is improved if the organism dies in an environment of rapid deposition and oxygen deprivation.