yīxué
исюе
и1 сюе2
http://www.chinese-russian.com/zd/ci/10381
yǐxué
и3 сюе2
http://www.chinese-russian.com/zd/ci/171941
yìxué
и4 сюе2
http://www.chinese-russian.com/zd/ci/132738
http://www.chinese-russian.com/zd/ci/95084