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Words
Kanji
余
弦
【
yú
xián
】
(math.) cosine
余
弦
【
yú
xián
】
(math.) cosine
余
HSK 4
含义
I, my, me; surname; surplus
拼音
yú
Details
弦
HSK 7-9
含义
string; hypotenuse, crescent
拼音
xián
Details