In accordance with a well-established custom, a free state was admitted to the union to balance a slave state.

——按照既定的惯例，一个自由州加入联邦以平衡奴隶州。

Techniques like deep breathing, mindfulness, and progressive muscle relaxation can help athletes keep their nerves in check and maintain a balanced mental state.

深呼吸、正念和渐进式肌肉放松等技巧可以帮助运动员控制神经并保持平衡的精神状态。

So, because the body's so connected and is so reactive to each different aspect of life, because the body's all about maintaining homeostasis, which is sort of a balanced state within the body.

因为身体是如此的相互联系并且对生活的各个不同方面都有如此敏感的反应，因为身体的功能就是维持体内平衡，也就是身体内部的一种平衡状态。