An animal's action to remain at an assigned position, usually in a fixed posture, for a period of time designated by a trainer.
动物于训练员的指示下，到指定的位置保持一稳定姿势，并维持一段时间。
An animal's action to remain at an assigned position, usually in a fixed posture, for a period of time designated by a trainer.
动物于训练员的指示下，到指定的位置保持一稳定姿势，并维持一段时间。
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