Mear
边界
🗣️ 情景例句
Well, Marilyn and Richard called.
好啦 Marilyn和Richard打电话来了
Mary is in her freshman year.
玛丽大学一年级。
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。