您要查找的是不是：
- Speak clearly into the microphone. 对著话筒说清楚些。
- The lecturer speaks through a microphone. 演讲者通过麦克风说话。
- The orient has been playing an active role in the world economy. 亚洲一直在世界经济中发挥积极作用。
- He is talking into a microphone. 他正在对着麦克风讲话。
- He is an active member of the school's stamp club. 他是学校集邮俱乐部的一名活跃会员。
- An active volcano may explode at any time. 活火山随时都有可能爆发。
- Is it wise to engage in active sports at your age? 我这样的年纪积极参加体育活动是否明智？
- She was active as a left-winger in the party. 她是党内积极的左翼分子。
- He was very active and rode down several horses. 他劲头很大，一连骑了好几匹马。
- She plays an active part in local politics. 她积极参与地方政治活动。
- He used a microphone so that everyone could hear him. 他使用扩音器，使人人能听见他的讲话。
- The steel market will continue to be active. 钢材市场将会继续保持活跃。
- An active volcano may erupt at any time. 活火山随时可能喷发。
- A hidden microphone, as on a person's body or in a building. 隐形话筒，窃听器如放在人身体上或建筑物上的不让外人看到的麦克风
- He was disabled when on active service. 他在战斗中受伤致残。
- To supply with or transmit through a microphone. 通过话筒传送通过话筒提供或传送
- Ms. Brown is active in the party. 布朗女士在晚会上很活跃。
- The active boy was extremely distractible. 那好动的男孩极不专心。
- His lame foot disqualified him for active work. 跛脚使他无法参加积极活动。
- He's very active for an elderly man. 作为老年人，他是非常活跃的。
