Conclusions When environmental pressure was added, positive pressurebreathing higher than the ventilative resistance of the Eustachian tube could prevent ear barotraumas.
结论当人体的环境压力增加时，经面罩提供大于咽鼓管通气阻力的正压呼吸可以预防耳气压伤的发生。
2
The second attack was so serious that his airway swelled, preventing him from breathing, his blood pressure dropped suddenly, and his heart stopped for a moment.
第二次发作很严重，他的气道肿胀，无法呼吸，血压突然下降，心脏停了一会儿。
3
Stimulants are substances that rev up the nervous system, increasing heart rate, blood pressure, energy, breathing and more.