underfur

n.

（海獭、海豹等的）下层绒毛；

Temporal Variation in Stable Carbon and Nitrogen Isotopes of Grizzly Bear Guardhair and Underfur
The identification of sheep wool and cashmere underfur
Underfur hairgrowth in relation to weight gain in young mink, blue fox and silver fox
The Structure Anchoring Underfur in Outer Root Sheath Cells of Telogen Mink Hair Follicles
Ferroanemin for the control of underfur decoloration [Mink disease caused by iron deficiency]
Underfur colour in Czechoslovak nutria.
Artificial fur having guard hair fibers and under fur fibers and a method for manufacturing the same
Artificial fur with guard hair fibers and under fur fibers
ESCOLARIZAÇÃO EM UM CONTEXTO DE LÍNGUA MINORITÁRIA (ALEMÃO): REFLEXÕES SOBRE PROBLEMÁTICAS DO USO DA LÍNGUA DE HERANÇA NO C...
Subgame Consistency Under Furcating Payoffs, Stochastic Dynamics and Random Horizon