Source: Wikimedia Commons

This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain.
蜻蜓
animal、biology、black and white、dragonfly、entomology、externalsource、fsp、insect、Library - Animalia、line art、outline、wikimedia commons、zoology
動物、生物學、黑與白、蜻蜓、昆蟲學、外部源、FSP、昆蟲、圖書館 - 動物界、線條藝術、大綱、維基媒體公地、動物學
資料來源：openclipart ( https://openclipart.org/ )