涨潮和落潮交替更迭.The flood and ebb tides alternates with each other.渔船趁着落潮出航.Fishing boats were standing down with the ebb.他们喜欢在落潮时沿着海滨散步.TIDE They liked to walk along the beach at low tide....
Sinus and middle ear barotrauma are the most common dive - related injuries.鼻窦和中耳的气压性创伤是最常见的和潜水相关的创伤.These markings appear to be superficial breaks in the possibly secondary to barotrauma.这些红色痕迹常见于气压伤后的肠粘膜.In your case, ...