Demo Stories Pills Dictionary Annotator For Schools Download App

Demo Stories Pills Dictionary Annotator For Schools Download App

Dictionary/等价交换

等价交换等價交換

děng jià jiāo huàn

ㄉㄥˇ ㄐㄧㄚˋ ㄐㄧㄠㄏㄨㄢˋ

Idiom

1equal-value exchange

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