黑客业务

铁路单词

rail、railway、railroad、trajectory、orbit，具体解释如下：

一、rail

发音：英 ［reɪl］  美 ［reɪl］

意思：铁轨，扶手，横杆，围栏；抱怨，责骂； 铺铁轨，以横木围栏。

例：They had to walk across an emergency footbridge， holding onto a rope that served as a rail。