单词	tail covert
释义	tail covert noun : one of the coverts of the tail quills Word History First Known Use 1815, in the meaning defined above
随便看	seat-pack parachute seat-rail seatang seatbacks seatbelts seated seater seaters seating seating arrangement seating arrangement/plan seating plan seatings seatless seatmate seatmates SEATO seatrain seatrains seatron seats Seattle seattleite seattleites seattles

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