1. in custody 被拘留,在拘禁中
At the last count the police in the Rimini area had 247 people in custody.
根据最近清点的结果,里米尼警方已拘押了247人 。
2. play a critical role 起到至关重要的作用
Information and data will play a critical role in the future of the energy industry.
信息和数据将在未来的电力行业中扮演重要的角色 。