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ˇ

second

ㄒㄧㄢ

xiān

acid radical

ˋ

àn

amine

ㄅㄧ ˇ

used as phonetic bi- or pi-

ㄍㄜ

to cough up

ㄨㄢ ˊ

wán

alkane

ㄊㄨㄥ ˊ

tóng

ketone