regradation
/ˌri:ɡrə'deiʃən/
n. 
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diplomycin, diplomyelia, Diplomystidae, diplon, diplonema, diplonephridia, diplonomy, diplont, diplopagus, diploparasitism,
相似单词
Rego, regolith, regorge, regosity, regosol, regradation, regrade, regradeing, regrading, regraff,