artesian well

vertically drilled hole in the ground through which a steady supply of water rises to the surface by natural pressure 自流井; 喷水井.

arrogant, arrogantly, arrogate, arrow, arrowhead, arrowroot, arroyo, arse, arse-hole (US ass-hole), arse-licker, arsenal, arsenic, arson, arsonist, art, art-form, artefact (also artifact), arterial, arteriosclerosis, artery, artful, artfully, artfulness, arthritic, arthritis, artichoke, article, article of faith, articulate, articulated, articulately, articulateness, articulation, artifact, artifice, artificer, artificial, artificial insemination, artificial intelligence, artificial respiration,