20世纪80年代初的研究发现，针灸产生作用的部分原因在于刺激人体释放出内啡 (endorphins)，这是一种让人感到愉悦的天然化合物，很像体育锻炼后的那种舒适感觉。
Studies in the early 1980s found that acupuncture works in part by stimulating the release of endorphins, the body's natural feel-good chemicals, much like vigorous exercise does.
结合上海、江苏两地的热舒适状况实测结果，提出了一个人体出汗状态下的热感觉预测模型。
Puts forward a model to predict human thermal sensation under sweating according to the field studies of thermal comfort in Shanghai and Jiangsu.
多亏这款背带周密的设计，背带不仅非常符合宝宝的人体学，同时也让背宝宝的人感觉很舒适和容易使用。
Thanks to its well-conceived design, the baby carrier is ergonomically correct for the child as well as comfortable and easy to use for the person carrying baby.
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