Praepupa
预蛹
🗣️ 情景例句
Is there any more plain paper?
还有没有更多的白纸？
I suppose so.
我想是这样。
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。