1The point from which a gun or other weapon is fired, especially in target shooting.
2The limit of conditions in which a flammable gas or vapour will ignite in air; (in later use) specifically = fire point.
Early 19th century.
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。