a heart doctor who knows all there is to know about heart disease would easily be able to read and understand the writings of other hear doctors on the subject. who절 안에 있는 is는 대체 뭐죠?
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2022-05-12 06:29:00
a heart doctor who knows all there is to know about heart disease would easily be able to read and understand the writings of other hear doctors on the subject. who절 안에 있는 is는 대체 뭐죠?