权威例句
'Paratroop'
Integrated paratroop door
Integrated paratroop door
Effect of paratroop on blood cortisol and antibody in paratroopers
Prediction of paratroop/wake vortex encounters during formation airdrop
Catecholamine excretion and personality traits in paratroop trainees.
The Triple Nickles: America's First All-Black Paratroop Unit. by Bradley Biggs
Physical Fitness and Hormonal Profile During an 11-Week Paratroop Training Period.
German Helmets of the Second World War: Volume 2 Paratroop . Covers . Liners . Makers . Insignia
Collaboration Between Chinese and American Psychologists on Assessing Intelligence Paratroop Commandos During the Second Sino-Japane...