🧩 词语组成解析
n. 南极光
🗣️ 情景例句
You don't know up from down.
你黑白不分。
Excuse me for interrupting.
对不起打扰你了。
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。