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来源:雅诚德英语网
A particular animal typically maintains its own characteristic cycle duration with great precision for many days.
某一种动物通常可以在很多天内极其精确地保持其特有的周期时间。
A particular animal typically maintains its own characteristic cycle duration with great precision for many days.
某一种动物通常可以在很多天内极其精确地保持其特有的周期时间。