正断层

normal fault (geology)

first month of the lunar year

straight / upright / proper / main / principal / to correct / to rectify / exactly / just (at that time) / right (in that place) / (math.) positive

to break / to snap / to cut off / to give up or abstain from sth / to judge / (usu. used in the negative) absolutely / definitely / decidedly

fault (geology) / CL:道[dao4],個|个[ge4] / (fig.) gap / rupture (in the transmission of some skill) / (tomography) cross-sectional

to pile on top of one another / layer; stratum / floor (of a building); story / (math.) sheaf / classifier for layers