基本解释n.转辙手；交通警察同根派生 pointsman相关词英汉例句双语例句This situation ended until the pointsman came and gave directions.这个情况一直到交通警察到来并做交通指挥才得以结束。pointsman更多例句英英字典柯林斯英英字典 a person who operates railway points (US and Canadian equivalent switchman)pointsman剑桥字典pointsman柯林斯字典专业释义交通运输工程扳道工