- 不(no; not; negation)
A bird flying swiftly upward and never willing to return represents the meaning of swift and unyielding.
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refractory period (physiology)
The refractory period is a concept in biology.
refractory period (physiology)
The refractory period is a concept in biology.
A bird flying swiftly upward and never willing to return represents the meaning of swift and unyielding.
Under a wide roof, every call finds someone to answer.
Watch the moon's phases wax and wane to count periods of time.
A bird flying swiftly upward and never willing to return represents the meaning of swift and unyielding.
Under a wide roof, every call finds someone to answer.
Watch the moon's phases wax and wane to count periods of time.
refractory period (physiology)
refractory period (physiology)
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