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Definitions3 characters
si1 tian1 tai2
Observatory or Bureau of Astronomy (official title) from the Tang dynasty onwards
Usage•••frequent
Pronunciations

As word

1
si1
Observatory or Bureau of Astronomy (official title) from the Tang dynasty onwards
2
tian1
Observatory or Bureau of Astronomy (official title) from the Tang dynasty onwards
3
tai2
Observatory or Bureau of Astronomy (official title) from the Tang dynasty onwards