单词	囟骨
释义	囟骨 xìn gǔfrontal fontanelle; anterior fontanelle
随便看	learning by a passive absorption learning by appointment system learning by association learning by being told learning by chance learning by contract learning by contract system learning by deduction learning by discovery learning difficulty learning dilemma Learning Disorders,Adult Learning,Distance learning by doing Learning-by-doing learning-by-doing curve learning-by-doing model learning by example learning by experience learning by experimentation Learning by Exporting learning by imitation learning by independent exploration learning by induction learning by insight