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
for reading to the kids in the hospital.
为住院的孩子朗读。
Did you use to go fishing with friends?
过去你常和朋友钓鱼吗？
Our own warm atmosphere and the heat generated by the telescope would make it impossible to detect objects as small as planets.
地球周围温暖的大气层和望远镜散出的热量使得我们根本不可能找到比行星更小的物体。