道耳顿 dào'ěrdùn Dalton Definitions Defs Origin Strokes Stroke Words Sentences Sents 道耳顿 道耳頓 dào'ěrdùn Dalton English chemist and physicist John Dalton or the unit of mass named after him Cross-References Has variant 道尔顿 dào'ěrdùn
道耳顿 道耳頓 dào'ěrdùn Dalton English chemist and physicist John Dalton or the unit of mass named after him Cross-References Has variant 道尔顿 dào'ěrdùn
