Definition: chosen by chance Level: C1
获胜者将被随机选择。
Winners will be chosen ___at ___random.
建议拍摄的房间并非随机选择的。
The rooms suggested for filming have not been chosen ___at ___random.
他随机从书架上挑了一本书。
He picked a book from the shelf ___at ___random.
