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来源:雅诚德英语网
Typically, the animal's daily internally generated cycle of activity continues without change.
通常情况下,动物每天内部产生的活动循环继续保持不变。
Typically, the animal's daily internally generated cycle of activity continues without change.
通常情况下,动物每天内部产生的活动循环继续保持不变。