词汇	flying proficiency
释义	flying proficiency 飞行熟练度
随便看	substance for flower bud formation Substance form substance for Spin substance foundation substance fraction substance-free substancefying substance global biogeochemical circulation substancehood Substance,Hyalin Substance,Hyaline substance identifier substance-induced disorders Substance-Induced Organic Mental Disorders Substance Induced Psychoses Substance-Induced Psychoses substance, inorganic substance intoxication substance intravesical solution substance in vivo Substance justice substance k Substance K Receptor Substance K Receptors substance K,SK