狹義相對論 xiá yì xiāng duì lùn

DEFINITIONS

  1. special relativity

CHARACTERS

狹 xiá narrow, limited; narrow-minded; to pinch
義 yì right conduct, righteousness
相 xiāng
HSK 3
mutual, reciprocal, each other
對 duì correct, right; facing, opposed
論 lùn debate; discuss; discourse