lightningKK [ˋlaɪtnɪŋ] /ˈlaɪtnɪŋ/名詞1閃電、雷電A flash of lightning lit up the whole valley for a second.一道閃電把整個山谷照亮了一秒。2閃電、打雷閃電We stayed indoors because there was thunder and lightning outside.外面又是雷又是閃電,所以我們待在室內。形容詞1閃電般的、極快的、神速的限定名詞前The team made a lightning decision and signed the contract that night.團隊以閃電般的速度做出決定,當晚就簽了合約。