Ichthoform
甲醛鱼石脂, 鱼石脂仿
🗣️ 情景例句
When does the next train leave for New York?
到纽约的下一趟火车什么时候开车？
Hello, is this the home of Mr. Chen?
喂，是陈先生的家吗？
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。