例句與造句

1. The donation was used to build Sperry Observatory, which was dedicated on May 21, 1967 in honor of William Miller Sperry, Mrs . Beinecke's father.
2. Sperry Observatory has been operated since its dedication by Amateur Astronomers, Inc . The observatory houses two of the largest telescopes on the East Coast open to the public on a weekly basis.
3. It's difficult to find sperry observatory in a sentence. 用sperry observatory造句挺難的