柯林斯词典citronella /ˌsɪtrəˈnɛlə/ 1. N a tropical Asian grass, Cymbopogon (or Andropogon) nardus, with bluish-green lemon-scented leaves 香茅 (Also called citronella grass) 返回 citronella剑桥词典a natural substance , found in a type of grass also called citronella, that smells of lemons and is used to keep insects away and in making perfumes 香茅；香茅油 返回 citronella