as adults form a hard shell and live attached to submerged surfaces
as adults form a hard shell and live attached to submerged surfaces n European goose smaller than the brant
mostly converted to bone in adults
adults die after spawning
a pen that is fenced so that young animals can enter but adults cannot v
adults-only
仅限成人少儿不宜
non-adults
(non-adult 的复数) 非成年人的
sub-adults
(sub-adult 的复数) adj. 接近成年的n. 接近成年的人；亚成体
