单词	eyespot
释义	eyespot noun eye·​spot ˈī-ˌspät  1 : a usually small spot of color (as on the wing of a butterfly) that resembles an eye 2 a : a simple visual organ of pigment or pigmented cells covering a sensory termination : ocellus b : a small pigmented body of various unicellular algae 3 : any of several fungal diseases of cultivated grasses (such as corn, wheat, and sugarcane) characterized by yellowish oval lesions on the leaves and stem Synonyms blotch dapple dot fleck mottle patch pip point speck speckle splotch spot See all Synonyms & Antonyms Example Sentences a tie having eyespots of blue on a light gray background Recent Examples on the Web The eyespot is studded with light-sensitive proteins called channelrhodopsins. Marc Zimmer, The Conversation, 5 Aug. 2021 Some of the earliest renditions might have been a simple pit eye, a kind of pit of tissue lined with light receptors, or what scientists call an eyespot, a simple region that detects light. Leslie Nemo, Scientific American, 19 May 2021 It’s a creepy little critter, with a single, distinctive black eyespot at the head of one to four spines. Popular Science, 17 Feb. 2021 During two days in October, these break off from the rest of the worm, and using an eyespot within, swim toward the surface—and the light of the moon. Douglas Main, National Geographic, 17 Apr. 2019 Scientists suspect eyespots first evolved in Jurassic lacewings and then a second time in modern butterflies. Rachael Lallensack, Smithsonian, 7 June 2019 Butterflies use the eyespots on their hindwings not for stealth but to scare away potential predators. Carrie Arnold, National Geographic, 21 Dec. 2016 Dakin repeated part of Petrie’s eyespot-snipping experiment. Susan Milius, WIRED, 27 Apr. 2011 See More Word History First Known Use 1798, in the meaning defined at sense 1 Medical Definition eyespot noun eye·​spot ˈī-ˌspät  1 : a simple visual organ of pigment or pigmented cells covering a sensory termination : ocellus 2 : a small pigmented body of various unicellular algae eyespot noun as in blotch a small area that is different (as in color) from the main part a tie having eyespots of blue on a light gray background Synonyms & Similar Words Relevance blotch dot fleck speck patch mottle spot speckle stain splotch smudge pip dapple freckle smear mole point birthmark blob mark blot spatter splash smutch polka dot
随便看	ball-and-socket joint ball-and-stick model ball-bank indicator ball-breaker ball-breakers ball-flower ball-peen hammer ball-striker ball-strikers ball-striking ball-to-eye ball-winner ball-winners ballabile ballad ballad horn ballad meter ballad opera ballad stanza ballade ballade royal ballade royals balladeer balladeers ballades

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