这种小恐龙称为伊氏西爪龙，它的化石是于1982年在加拿大阿尔伯塔省约7500万年前恐龙公园组地层中被挖掘出来的，但之后的25年中一直未加以研究。
The remains of the diminutive dinosaur, called Hesperonychus, were excavated at the 75m-year-old Dinosaur Park Formation site in Alberta in 1982, but had lain unstudied for 25 years.
这种小恐龙称为伊氏西爪龙，它的化石是于1982年在加拿大阿尔伯塔省约7500万年前恐龙公园组地层中被挖掘出来的，但之后的25年中一直未加以研究。
The remains of the diminutive dinosaur, called Hesperonychus, were excavated at the 75m-year-old Dinosaur Park Formation site in Alberta in 1982, but had lain unstudied for 25 years.
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