/ˈlaɪtnɪŋ ||; ˈlaɪtnɪŋ/noun [U] a bright flash of light that appears in the sky during a storm, and is usually followed by THUNDER(= a loud noise) 闪电: The tree was struck by lightning and burst into flames.那棵树被雷电击中,一下子燃烧起来。a flash of lightning一道闪电
lightning²
/ˈlaɪtnɪŋ ||; ˈlaɪtnɪŋ/adj (only before a noun 只用于名词前) very quick or sudden 快速的;突然的: a lightning attack闪电式进攻