downcast ventilator吸风机
downcast fault下落断层
downcast capacity进风量
Encapsulconsumed Downcast封装向下转型
Encapsulate Downcast封装「向下转型」动作;封装向下转型动作;封装「向下转型」举措
downcast side[地质] 陷落侧;下落翼
downcast person不愉快的人或脾气坏的人
ADJ（形容词） If you are downcast, you are feeling sad and without hope. 情绪低落的 [usu v-link ADJ]
Barbara looked increasingly downcast as defeat loomed.
失败越临近，芭芭拉的情绪看上去越为低落。
ADJ（形容词） If your eyes are downcast, you are looking toward the ground, usually because you are feeling sad or embarrassed. (因伤心或尴尬而)向下看的 [usu v-link ADJ]
She was silent, her eyes downcast.
她不做声，目光低垂。