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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Human adenovirus Scientists have determined the crystal structure of human adenovirus, which is responsible for a host of ailments including the common cold. Scripps Research Institute.

斯克里普斯研究机构研究表明：人体腺病毒科学家们始终致力于描绘出人体腺病毒的晶体构造，这种病毒可以导致很大一部分的疾病，其中包括普通的感冒。

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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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