Trackwalker
n. <美>[铁]保养或检查铁路的人员
🗣️ 情景例句
They are taking initiatives to build up a digital government.
他们尝试打造数字化政府。
He must have been an outstanding student.
他一定是个优秀学生。
Her tooth ached all night.
她牙疼了一整夜。