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- Stand clear of the swinging boom of the crane. 不要走近转动的超重机吊杆。
- Angle the boom arm to position the microphone precisely. 调整话筒吊杆臂角度，准确定位麦克风的位置。
- Speak clearly into the microphone. 对著话筒说清楚些。
- He made his pile during the property boom. 在房地产生意兴隆期间他发了大财。
- The lecturer speaks through a microphone. 演讲者通过麦克风说话。
- The clock began to boom out twelve. 时钟开始敲十二点。
- He is talking into a microphone. 他正在对着麦克风讲话。
- The long boom of the crane functions like our arms. 起重机的长臂与我们的手臂功能相同。
- Profit multiply in the boom year. 兴旺之年利润增长。
- The boom of the airplane was damaged. 飞机的尾桁受到损害。
- We heard a hollow boom of thunder. 我们听到低沈的隆隆雷声。
- The economic boom tapered off in the 1970s. 经济繁荣在七十年代慢慢消失了。
- The city is having a building boom. 这个城市正在大兴土木。
- The oil market is enjoying a boom. 石油市场欣欣向荣。
- 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。
- boom microphone 悬挂式麦克风,悬挂式送话器
- 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
- oxygen masks boom microphone 头戴供氧面罩自由伸缩传声器
- To supply with or transmit through a microphone. 通过话筒传送通过话筒提供或传送
- Local firms have been quick off the mark to cash in on the oil boom. 地方商行不失时机地利用油价暴涨大赚其钱。
