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Definitions4 characters
xin1 feng1 xi4 tong3
ventilation system that purifies outdoor air during intake
Usage•••frequent
Pronunciations

As word

1
xin1
ventilation system that purifies outdoor air during intake
2
feng1
ventilation system that purifies outdoor air during intake
3
xi4
ventilation system that purifies outdoor air during intake
4
tong3
ventilation system that purifies outdoor air during intake