到达青春期,软毛
Pubescence \Pu*bes"cence\, n. [Cf. F. pubescence.] 1. The quality or state of being pubescent, or of having arrived at puberty. --Sir T. Browne. 2. A covering of soft short hairs, or down, as one some plants and insects; also, the state of being so covered.
pubescence n : the time of life when sex glands become functional [syn: {puberty}]