Polydactylia
[医] 多指(趾)[畸形]
🗣️ 情景例句
Mama, what are they doing to me? Help!
妈妈 ，他们在对我做什么？ 救命呀！
He that never rode never fell.
不骑马就永不会从马上跌下。
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。