单词	difficulty action
释义	difficulty action 难度动作
随便看	morphological index morphological indexes morphological indexing morphological indicator morphological indices morphological information morphological integrity morphological interpolation morphological investigation morphological knowledge morphological laboratory morphological laboratory teaching morphological lethal gene morphologically morphologically deviating wool morphologically machining morphological map morphological marker Morphological markers morphological marker trait morphological marks morphological mathematics morphological matrix morphological maturity morphological meaning