您要查找的是不是：
- lens shutter drum 镜头快门转鼓
- Open the shutter and see what the weather is like. 打开百叶窗，看看外面的天气如何。
- He adjusted the shutter before taking a photo. 在照相前，他调整了快门。
- A buffer in a drum used to temporarily store data. 磁鼓中用来暂时存放数据的一种缓冲区。
- The beats of the drum were steady and slow. 鼓声平稳而缓慢。
- This lens can magnify 20 diameter. 这个透镜能放大20倍。
- His old woman really beat the drum last night. 他的老婆昨晚着实太吵大嚷了一场。
- He pressed the shutter when she smiled. 她微笑时，他按下快门。
- Some adjustment of the lens may be necessary. 可能有必要调节一下镜头。
- Do you have soft contact lens care product? 有没有软性隐型眼镜保养用品？
- He uses lens to make things appear clearer. 他用镜片以便看东西更清楚些。
- The lens is often used to make telescopes. 镜片常被用来做成望远镜。
- Can you guarantee the lens and shutter of this camera? 你能保证这架相机的镜头和快门吗?
- Let's try to drum up some more business. 让我们再努力招徕些生意。
- A steel drum band gingered up the party. 一铁鼓队使晚会生动起来
- Don't smear the lens; I've just polished it. 别把镜头弄脏了，我刚刚擦过。
- The salesman banged a drum to attract a crowd. 推销员击鼓以吸引人群。
- The drum majorette twirled her baton. 鼓乐队女队长快速地转动她的指挥棒。
- A politician who beats the drum for liberalism. 一个竭力鼓吹自由主义的政治家
- between- lens shutter 镜间快门, 中心快门
