音标发音英式音标 [ˌbest ˈbɔɪ]美式音标 [ˌbest ˈbɔɪ]英式发音 美式发音 基本解释（拍电影或电视节目时）协助照明电工（负责铺设及维护电力设备的人）的器材助理。同根派生 英英字典剑桥英英字典 the person who helps the gaffer (= the person responsible for the electrical work) when a film or television programme is being made