n line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight
n a line of track providing a runway for wheels
v compel by coercion, threats, or crude means
v supply with railroad lines
v transport by railroad
n. 铁路, 铁道( railroad的名词复数 ); 铁路系统
v. 铁路, 铁道( railroad的第三人称单数 ); 铁路系统