单词	arc
释义	noun | verb arcarc1 /ɑrk/ ●○○ noun [countable] Etymology ETYMOLOGYarc1 Origin: 1300-1400 Old French Latin arcus bow, arch, arc 1 a curved shape:  The islands lie in an arc in the eastern Caribbean.2math, geometry a smooth curved line that forms part of a circle or other curved shape3science, physics a flash of light formed by the flow of electricity between two points [Origin: 1300–1400 Old French, Latin arcus bow, arch, arc] → see also arc light, arc welding noun | verb arcarc2 verb [intransitive] 1[always + adv./prep.] to move in a smooth curved line:  The Space Shuttle arced high above the Atlantic after takeoff.2if electricity or electrical wires arc, they produce a flash of light because electricity jumps from one wire or object to another
随便看	snoopy snoot snooty snooze snooze alarm snoozefest snore snorer snorkel snorkeling snort snot snot-nosed snotty snout snow snowball snow belt snowbird snow blindness snow-blower snowboard snowboarder snowboarding snowbound

英语词典包含48224条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。