wing nut

例句：

1. 1. The aircraft had a wing nut that needed to be tightened before takeoff.
   飞机的翼螺母需要在起飞前拧紧。
2. 2. The mechanic replaced the wing nut with a new one to ensure the aircraft's safety.
   机械师用一个新的翼螺母替换了原来的，以确保飞机的安全。
3. 3. The engineer found the wing nut to be loose and tightened it immediately.
   工程师发现翼螺母松动，立即拧紧了它。