单词	axicon
释义	axicon noun ax·​i·​con ˈak-sə-ˌkän  plural axicons : an object resembling an optical lens with a conical surface that has no definite focal point On a trip to Russia, Milchberg discovered that scientists there were using an odd, funnel-shaped "axicon" lens that brought laser beams into an elongated, needle-like focus instead of the sharp point that conventional lenses produce. Curt Suplee, Washington Post, 11 Sept. 1995 Word History Etymology axi- + icon First Known Use 1954, in the meaning defined above
随便看	give someone one's word give someone or something a clean bill of health give someone or something a once-over give someone or something a wide berth give someone or something the once-over give someone pause give someone pause for thought give someone some slack give someone the ax give someone the bird give someone the chop give someone the elbow give someone the eye give someone the finger give someone the hook give someone the nod give someone the pink slip give someone the push give someone the runaround give someone the sack give someone the shirt off one's back give someone the shivers give someone the slip give someone the time of day give someone to understand

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