1English regional the common swift, Apus apus.
2Caribbean the American black swift, Cypseloides niger.
Mid 18th century; earliest use found in Catalogue Birds, Insects exhibiting at Spring-Gardens.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。