smooth breathingAHDˈägān短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 希腊语音学;不送气音符'; n.;【语音】不送气符号 A regular diet of bird's nest can help alleviate the trachea, smooth breathing, benefit the control of asthma, expel phlegm, recover vital energy and extend longevity. 经常食用燕窝可以帮助缓和哮喘,使呼吸顺畅,有益于哮喘控制,清痰,恢复体能和长寿。 bjmama