Rail-thin
n. 骨瘦如柴的\\nadj. 像电线秆子一样瘦
🧩 词语组成解析
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;
thin
[θɪn]
adj. 薄的;瘦的;稀少的;细的;
vt. 使瘦;使淡;使稀疏;
vi. 变薄;变瘦;变淡;
adv. 稀疏地，微弱地;
🗣️ 情景例句
He probably hates my work.
他也许讨厌我的作品。
A cat may look at a king.
猫也有权晋见国王。
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。