n. The anterior part of the head; the face.
n. The general aspect or habit of a species, or group of
species, esp. with reference to its adaptation to its environment.
n. The face of a bird, or the front of the head, excluding the
bill.
n. (患某种疾病时特有的)面容, 外观, 表面
[医] [颜]面, 面容