Penlite
n. 钢笔形小手电筒
🗣️ 情景例句
She was a beauty in her day.
她年轻的时候是个美人儿。
All right.
好吧。
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。