coming-of-age

n.

成年，成熟；

1. A person reaches his majority at the age of 21.
   一个人二十一岁达到法定成年。
2. This is also a ceremony of coming of age.
   这也是一种成年仪式。
3. Renewable energy has come of age.
   可再生能源已发展成熟。
4. The conception of the picture is undeveloped.
   这幅画的构思不成熟。

Cancer immunotherapy comes of age.
Cancer-epigenetics comes of age
Cancer immunotherapy comes of age. Nat
Allogeneic transplantation of blood stem cells: coming of age?
Hybrid Inorganic–Organic Mesoporous Silicates—Nanoscopic Reactors Coming of Age
Human gene therapy comes of age.
Macrophage polarization comes of age.
FcRn: the neonatal Fc receptor comes of age
Jones PA, Laird PWCancer epigenetics comes of age. Nat Genet 21: 163-167
From patterns to pathways: gene expression data analysis comes of age