cliff swallow

英 美
  • 崖燕
  • cliff n.悬崖;峭壁
  • swallow n.燕子;吞咽;一次吞咽的量v.忍受;吞下;咽下;轻信;不流露感情;收回
Noun:
  1. North American swallow that lives in colonies and builds bottle-shaped mud nests on cliffs and walls