aa3 lau4 syun1亚硫酸
Jyutpingaa3 lau4 syun1
Yalea làuh syūn

Definition

sulfurous acid H2SO3

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.