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Definitions2 characters
fei1 lun2
flywheel/freewheel; cassette (of a bicycle)/fast-moving bike
Usage•••frequent
Pronunciations

As word

1
fei1
flywheel/freewheel; cassette (of a bicycle)/fast-moving bike
2
lun2
flywheel/freewheel; cassette (of a bicycle)/fast-moving bike