单词	beetle
释义	beetlebeetle /ˈbit̮l/ ●●○ noun [countable] Etymology ETYMOLOGYbeetle Origin: Old English bitula, from bitan an insect with a round hard back, which is usually black [Origin: Old English bitula, from bitan]
随便看	reflection reflectional symmetry reflective reflectivity reflector reflex reflex angle reflex arc reflexive reflexology reflux reforest reforestation re-form reform reformation reformatory reformer reformist reform school refract refraction refractive refractive index refractometer

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