1、蜻蜓英语:dragonfly,英 [?dr?ɡ?nfla?] 美 [?dr?ɡ?nfla?]。
2、蜻蜓捕食蚊蝇。The dragonfly feeds on mosquitoes and flies.
3、蜻蜓掠过树梢。The dragonflies skimmed the treetops.