noun🔗Share向下转型 A cast from supertype to subtype."The teacher's lecture notes underwent a downcast from general study strategies to specific strategies for math tests. "老师的讲义经历了一次向下转型，从泛泛的学习策略变成了专门针对数学考试的策略。computingtechnicaltypeChat with AIVocabulary GamePractice Reading
noun🔗Share沮丧的表情，愁容。 A melancholy look."The downcast of her eyes betrayed her sadness about failing the exam. "她眼中流露出的沮丧，泄露了她因考试不及格而感到的悲伤。appearanceemotioncharacterattitudemindChat with AIVocabulary GamePractice Reading
noun🔗Share下风井，入风井。 A ventilating shaft down which the air passes in circulating through a mine."The rescue team lowered supplies into the downcast to aid the trapped miners. "救援队将补给品放入入风井，以帮助被困的矿工。technicalgeologyindustryChat with AIVocabulary GamePractice Reading
verb🔗Share低下，垂下 To cast or throw down; to turn downward."The heavy rain downcast the branches of the old oak tree. "大雨压低了老橡树的树枝。attitudeemotionChat with AIVocabulary GamePractice Reading
verb🔗Share责备，斥责。 To taunt; to reproach; to upbraid."The older children downcast the younger ones for not knowing the rules of the game. "年长的孩子们因为年幼的孩子们不懂游戏规则而责备他们。attitudeemotioncharacterChat with AIVocabulary GamePractice Reading
verb🔗Share向下转换，向下转型 To cast from supertype to subtype."The teacher downcast the general topic of "animals" to the specific subtype "mammals" in her lesson. "老师在课上将“动物”这个总类别向下转型为更具体的子类别“哺乳动物”。computingtechnicaltypeChat with AIVocabulary GamePractice Reading
adjective🔗Share低垂, 垂视 (of eyes) Looking downwards."Her downcast eyes and quiet voice revealed her disappointment. "她低垂的眼眸和轻柔的声音透露出她的失望。appearanceattitudeChat with AIVocabulary GamePractice Reading
adjective🔗Share沮丧的，消沉的。 (of a person) Feeling despondent."After failing the test, Maria was downcast for the rest of the day. "考试不及格后，玛丽亚一整天都情绪低落，闷闷不乐的。emotionattitudemindpersoncharacterChat with AIVocabulary GamePractice Reading
