Heteromyidae
异鼠科
🗣️ 情景例句
It's a deal!
就这么约定！
Deep rivers move in silence, shallow brooks are noisy.
深水静静流，浅溪潺潺流。
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。