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tighten v. If you tighten a rope or chain, or if it tightens, it is stretched or pulled hard until it is straight. 绷紧；拉紧

tension n. Tension is a feeling of worry and anxiety which makes it difficult for you to relax. 告急;焦急

stimulate v. To stimulate something means to encourage it to begin or develop further. 兴奋；勉励

immune v. If you are immune to a particular disease, you cannot be affected by it. 免疫的；不受影响的

accelerate v. If the process or rate of something accelerates or if something accelerates it, it gets faster and faster. 增速

metabolism n. all the chemical processes in your body, especially those that cause food to be used for energy and growth. 推陈出新

relieve v. If something relieves an unpleasant feeling or situation, it makes it less unpleasant or causes it to disappear completely. 缓解；减小

nasal adj. Nasal is used to describe things relating to the nose and the functions it performs. 鼻的；鼻音的

congestion n. If there is congestion in a place, the place is extremely crowded and blocked with traffic or people. 壅闭；拥堵

pore n. Your pores are the tiny holes in your skin. 毛孔

冷水浴，可以防备伤风，绷紧皮肤，变小大脑告急，兴奋免疫体系，增速推陈出新。

热水浴，可以变小疲劳，减弱头痛，轻松肌肉，缓解鼻塞，掀开汗毛孔并算账皮肤。