Both animals and people were gasping for breath in the rarefied air.动物和人在稀薄的空气中都大口喘着气。rarefied hypersonic aerodynamics高超音速稀薄空气动力学rarefied-gas aerodynamics稀薄气体空气动力学...living at very high altitudes where the atmosphere is ...
塔玛拉一边狐疑地盯着他看，一边摇着头。Tamara stared at him in disbelief, shaking her head.他皱着眉，狐疑地看着她。He was looking at her with his eyebrows raised questioningly.他嘴里衔着烟斗柄，满腹狐疑地打量着她。He chewed the stem of his pipe and eyed her sceptically....
Our bone marrow contains fat in the form of small globules.我们的骨髓中含有小球状的脂肪。Decaffeinated coffee still contains some stimulants and other nasties linked with cancer.脱咖啡因的咖啡仍含一些刺激物和其他可能致癌的有害物质。The guide book contains a shor...