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来源:雅诚德英语网
Basilosaurus was undoubtedly a fully marine whale with possibly nonfunctional, or vestigial, hind legs.
龙王鲸无疑是一种完全海生的鲸鱼,它的后腿可能没有功能,或退化了。
Basilosaurus was undoubtedly a fully marine whale with possibly nonfunctional, or vestigial, hind legs.
龙王鲸无疑是一种完全海生的鲸鱼,它的后腿可能没有功能,或退化了。