单词	air stack
释义	air stack noun : planes circling at different assigned altitudes above an airport while waiting their turn to land Word History First Known Use circa 1957, in the meaning defined above
随便看	service side service speed service stamp podzolizes podzolizing podzols poe POE poechores poecil- Poecilichthys poeciliid Poeciliidae poeciliidaes poeciliides poeciliids poecilitic poecilo- poecilocapsi poecilocapsuses poecilocapsusses poecilocyttarous poecilogales poecilogony poem

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