Kahn
n. [医]康氏试验（梅毒絮状沉淀反应试验）；卡恩（姓氏）
🗣️ 情景例句
And this one's from me.
这张是我送的。
To march in shingle file
排成一列前进
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。