A fine jet or mist of an oil; (also) a device designed to diffuse this, especially as a pesticide or weedkiller.
Late 19th century; earliest use found in The Manufacturer and Builder.
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。