dong1 ce2 gan2 dong1當且僅當当且仅当
Jyutpingdong1 ce2 gan2 dong1
Yaledōng ché gán dōng
Definition
if and only if
Tone guide
T1High level
T2High rising
T3Mid level
T4Low falling
T5Low rising
T6Low level
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Dictionary data from CC-Canto and CC-CEDICT, licensed under CC BY-SA 3.0.