n.堆积,<植>连生,添加生长,<天>吸积
Every culture is an accretion.
每一种文化都是长期积淀的结果.
A coral reef is built by the accretion of tiny, identical organisms.
珊瑚礁是由许多相同的微生物不断堆积而成。
The multiple migration - accretion concept of Gruner deserves mention.
格鲁纳的多次迁移 ― ―增长说受到了重视.