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	check swing check swing checkup Cheddar Cheddi Berret cheechako cheek cheekbone cheek by jowl cheekily Stabat Mater stabber stabby stabile stability stability ball stabilization stabilize stabilizer stabilizer bar stab in the back stable stable stable fly stableness

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