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
no concert, no stage presentations.
没有音乐会， 没有舞蹈表演。
Your work seems not satisfactory.
你的工作看起来并不令人满意。
However, there is an even more insidious kind of pollution that particularly affects urban areas and invades our daily lives, and that is noise.
但是，还有一种更加隐蔽有害的污染，它专门影响城镇地区，侵袭我们的日常生活，那就是噪音。