Rack rail
齿轨
🧩 词语组成解析
rack
[ræk]
n. 行李架;支架;刑架;（羊、猪等带前肋的）颈脊;
vt. 使痛苦，使焦虑;剥削，榨取;用刑拘折磨;
rail
[rel]
n. 围栏;轨道，钢轨;扶手;[动]秧鸡;
vi. 责备;抱怨;责骂;
vt. 将…围起来;铺铁轨;坐火车旅行;用围栏围;
🗣️ 情景例句
Yes.
是的。
She must be a model, isn't she?
她一定是个模特，不是吗？
They are often more industrious, useful citizens than those who are never late.
他们与那些从不迟到的人相比，常常是更勤奋有用的公民。