这位考古学家发现了一串古老的勾玉，它们是由翡翠制成的。

The archaeologist found a string of ancient ___magatama beads made of jade.

神社的护身符上刻有象征吉祥的勾玉图案。

The shrine's amulet is engraved with a ___magatama symbol representing good fortune.