noun 下载 🔗分享 扳道员，信号员 Somebody employed to operate the signals and points of a railway. Examples : "The signalman ensured the trains switched tracks safely by carefully controlling the railway signals. " 扳道员小心地控制铁路信号，确保火车安全地变换轨道。 job person machine signal communication industry vehicle technical 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 signalman used flags to communicate the commander's orders to the advancing troops. " 在这次军事演习中，信号兵用旗语向正在前进的部队传达指挥官的命令。 military communication job person 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 signalman used hand gestures to guide the crane operator as he carefully lifted the heavy steel beam into place on the construction site. " 在工地上，信号员用手势指挥着起重机操作员，小心翼翼地将沉重的钢梁吊装到位。 job technical industry communication machine signal person work position direction 与AI对话词汇游戏阅读练习
