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Words
Kanji
二
阶
【
èr
jiē
】
second order
quadratic (math.)
二
阶
【
èr
jiē
】
second order
quadratic (math.)
二
HSK 1
1
含义
two; twice
拼音
èr
Details
阶
HSK 4
含义
stairs, steps; rank, degree
拼音
jiē
Details