井 - well, well crib, town

water well

round well

ceiling

oil well

olm (Proteus anguinus)

glass ceiling

to have a narrow view of things; to look at the ceiling through a reed

to have a narrow view of things; to peek at the ceiling through the pith of a reed

narrow perspective

salamander shark (Parmaturus pilosus)

wooden watchtower; battlefield watchtower

Anderson's crocodile newt (Echinotriton andersoni); Anderson's newt; Ryukyu spiny newt; Japanese warty newt