They were the three gray-haired sisters of the Gorgons.   They were born aged with gray hair.   Besides, they had only one eye and one tooth among them, and they alone knew where the Gorgons were to be found.   Perseus stole their eye as they passed it from one to another, and restored it only after they revealed the whereabouts of Medusa. 

[解說]

1.      “They were the three gray-haired sisters of the Gorgons”：她們是蛇髮女妖 (Gorgons) 的三個灰髮姐妹。

2.      “They were born aged with gray hair”：她們生來就年老有著灰頭髮。

3.      “Besides, they had only one eye and one tooth among them”：此外，她們之間只有一個眼睛和ㄧ顆牙齒。

4.      “and they alone knew where the Gorgons were to be found”：而只有她們才知道蛇女們在哪裡可以被找到。

5.      “Perseus stole their eye as they passed it from one to another”：Perseus 偷走她們的眼睛，當她們把它從一個人交給另一個人時。

6.      “and restored it only after they revealed the whereabouts of Medusa”：而只有在她們洩漏 Medusa 的下落之後，才把它還回去。 “restore”：恢復、還回。 “whereabouts”：下落。 

[複習填充]

　

The Graiae were the three g            sisters of the Gorgons.  They were born a      with gray hair.  Besides, they had only one eye and one         among them, and they a        knew where the Gorgons were to be found.  Perseus stole their eye as they p         it from one to another, and re        it only after they revealed the wh              of Medusa.