dys- 前綴 不良,異常,困難,障礙
Dys- An inseparable prefix, fr. the Greek dys- hard, ill, and signifying ill, bad, hard, difficult, and the like; cf. the prefixes, Skr. dus-, Goth. tuz-, OHG. zur-, G. zer-, AS. to-, Icel. tor-, Ir. do-. ◄ ►