Yttroalumite
釔鋁石
??? 情景例句
There are other boys and girls here,
還有其他男孩女孩在這兒，
The abundance of money ruins youth.
錢多毀青年。
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期記錄地震波的儀器（測震儀）正是采用了這種思路。