jiū qí gēn yuán
- trace sth. to its source
- search to the bottom
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endomyocarditis,
endomysium,
end-on,
end-on-courses,
endonephritis,
endoneuritis,
endoneurium,
endonexine,
endonuclear,
endonuclease,
相似单词
鸠夷,
究,
究办,
究根诘底,
究竟,
究其根源,
赳,
赳赳,
阄,
揪,