noun 下载 🔗分享 扳道员，信号员。 Somebody employed to operate the signals and points of a railway. Examples : "Sentence: The signalmen worked hard to ensure the trains switched tracks safely and on time. " 扳道员们努力工作，确保火车能够安全准时地变换轨道。 job machine communication signal vehicle technical industry work 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 信号兵，通信兵。 A member of the armed forces responsible for signalling. Examples : "During the military exercise, the signalmen used flags to communicate troop movements across the battlefield. " 在军事演习中，通信兵们用旗帜在战场上传达部队的行动。 military communication signal job person war 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 信号员，指挥员 Somebody employed to direct rigging or crane operations by providing a different point of view. Examples : "The signalmen used hand gestures to guide the crane operator as he lifted the heavy steel beam into place on the construction site. " 在建筑工地上，信号员用手势引导着起重机操作员，将沉重的钢梁吊装到位。 job work industry technical communication 与AI对话词汇游戏阅读练习
