alula

基本解释

• n.小翼羽

同根派生

英汉例句

• The team also noted a hinged flap near the base of the wing, called an Alula, which is deployed at right angles to the wing, which may be being used as a air flow-control device.
  这个小组还注意到，翼根附近铰接的副翼，被称为小翼的，对翼成直角配置，它可能被用来作为空气流量控制装置。