单词	gradation of tone
释义	gradation of tone 色级
随便看	threefold degeneracy threefold division three-fold division three folded twist three folded yarn threefold law threefoldness three-fold outstanding student three fold purchase threefold representation three fold representation threefold rotatory inverter threefold rotor threefolds three-fold statically indeterminate threefold symmetry three-fold symmetry axis three fold symmetry axis three fold tackle threefold transitivity threefold twin threefoot three-foot three-footed three-force body 雁塔新题雁塔题名雁影分飞雁断鱼沉雁杳鱼沉雁泊人户雁素鱼笺雁过拔毛雁过拨毛雁过留声躲静求安躲风躳躺躺躺井躺倒躺柜躺椅躺箱