wing nut

英 [ˈwɪŋ nʌt]

美 [ˈwɪŋ nʌt]

n.  翼形螺母; 元宝螺母; 蝶形螺帽

机械

牛津词典

noun

• 翼形螺母；元宝螺母；蝶形螺帽
  a nut(2) for holding things in place, which has parts that stick out at the sides so that you can turn it easily

英英释义

noun

• a threaded nut with winglike projections for thumb and forefinger leverage in turning
  Synonym:wing-nutwing screwbutterfly nutthumbnut
• any tree of the genus Pterocarya
  Synonym:wing-nut

双语例句

• A wing nut is a nut with wings.
  蝶形螺母是一种翼状物的螺母。
• The behavioral responses of adults Helicoverpa armigera ( H ü bner) to the odors of wilted leaves ( OWL) of Chinese wing nut tree, Pterocarya stenoptera were tested by using an olfactometer.
  利用嗅觉仪测定了棉铃虫Helicoverpaarmigera（H櫣bner）成虫对萎蔫的枫杨Pterocaryastenoptera气味的行为反应。