单词	plano-convex
释义	pla·no-con·vex (plā′nō-kŏn-vĕks, -kŏnvĕks′) adj. Flat on one side and convex on the other: a plano-convex lens. plano-convex Light rays converge through a plano-convex lens.
随便看	astragalus astrakhan Astrakhan astral astrally astraphobe astraphobia astraphobic astray astride astringency astringent astringently astrionics astro- astrobiological astrobiologist astrobiology astrobleme astrochemist astrochemistry astrocyte astrocytic astrocytoma astrodome

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