A surprise appearance by Billy Crystal, considered by many to be the best Oscar host over the past 20 years, earned a standing ovation.

被认为是过去20年最优秀的奥斯卡主持人的比利·克里斯托出人意料的到场，赢得了全体起立热烈欢迎。

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Everaldo created his Crystal icon set and inspired a whole host of amazing talented icon designers.

Everaldo创建了一个自己的水晶图标集，同时也激发很多有天赋的图标设计师的灵感。

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The crystal separation of megacrysts has caused the evolution of REE in the magma. It is obvious that some host basalts are the product of magma evolution after crystal separation.

巨晶的结晶分离导致了岩浆的稀土元素演化，一些寄主玄武岩显然是由岩浆经历了巨晶分离后的产物。

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Different Oscar hosts, different strategies: Eight-time host Billy Crystal managed to grab laughs with film spoofs, four-time host Whoopi Goldberg got grins with her lavish costumes and one-time host David Letterman at least got his audience to smile with his Uma (Thurman), Oprah (Winfrey) quip.

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