undercoat是什么意思音标:英 ['ʌndəkəʊt]美 [ˈʌndɚˌkot]
n. 下层绒毛, 底漆, 内涂层
[化] 底漆
n. seal consisting of a coating of a tar or rubberpke material on the underside of a motor vehicle to retard corrosion
n. thick soft fur lying beneath the longer and coarser guard hair

