词汇	plermanent bench mark
释义	plermanent bench mark n.永久水准点
随便看	The existence of global warming is in question The existence of God the existence of history the existence of human relations the existence of man the existence of positive solution the existence of solution theexistence of solutions the existence of solutions the existence of the different styles the existence problem the existence problem of subject the existence puzzledom the existence way of music The existent the existential construction The existentialist thought the existentiality the existential-ontologlcal the existential-ontology the Existential Sentence the existential sonstruction the existential state the existent problem the existing architecture