Arc column
[化] 弧柱
🧩 词语组成解析
arc
[ɑ:k]
n. 综合症状;弧（度）;天穹;电弧，弧光。;
vi. 形成拱状物;循弧线行进;
abbr. American Red Cross. 美国红十字会;
column
['kɑləm]
n. 纵队，列;圆柱;专栏;
🗣️ 情景例句
I sold it to the present owners.
是我把它卖给了现在的主人。
I always have a big wash to do on saturdays.
我星期六总是有一大堆的衣物要洗。
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。