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Definitions2 characters
tui1 guang3
to extend/to spread/to popularize/generalization/promotion (of a product etc)
Usage•••frequent
Pronunciations

As word

1
tui1
to extend/to spread/to popularize/generalization/promotion (of a product etc)
2
guang3
to extend/to spread/to popularize/generalization/promotion (of a product etc)