英和和英

a stratum called a Mesozoic formation

a medium

the middle layer of a pericarp

an intermediary stage

an intermediate level

to be in layers―stratified

geological formations

the contiguous line of a stratum

epithelial layer

an intermediate range

an intermediate area

an interfacial layer

an impermeable layer of scum

a cartographic unit called formation

an act of classifying by social strata

the bottom layer of a heel

an intermediate range plane

an intermediate stage

the middle ground

link of shrahorn of ground

the upper echelons

average tare

a geological fault

under layers

the middle class

the middle class

the middle class

a half-stage

the middle piece

breadth amidships