您要查找的是不是：
- This lens can magnify 20 diameter. 这个透镜能放大20倍。
- 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。
- Reception improved because of the new antenna. 接受效果因有新天线而得到改善。
- The lens is often used to make telescopes. 镜片常被用来做成望远镜。
- Don't smear the lens; I've just polished it. 别把镜头弄脏了，我刚刚擦过。
- No antenna, no radio, we're back in the nineteenth century! 没有天线，没有无线电，我们回到十九世纪了。
- The camera lens must be screened from direct sunlight. 照相机的镜头不可受到阳光的直射。
- antenna lens 透镜天线
- You should fix the television antenna before receiving programs. 接收节目前，你应该先装天线。
- The reception is very poor. Let me adjust the antenna. 接收效果太差了。让我来调一下天线。
- A close- up lens is ideal for taking close- up picture. 近摄镜用来拍特写照片最理想。
- In this operation the surgeons implant a new lens (in the eye). 医生在这次手术中给病人(眼球)植入了新的水晶体。
- Extend the telescopic antenna vertically. 竖直地伸张伸缩式天线。
- The gunsight has an infrared lens for night vision. 射击瞄准器装有用于夜间视力的红外线镜头。
- He said he would head the antenna with a ball. 他说他还要给天线安个圆头。
- He erected a television antenna on the roof. 他在房顶立了电视天线。
- Just as a double convex lens enlarges, so a double concave lens reduces. 正象双凸透镜可以放大那样，双凹透镜也可以缩小。
- They erected a television antenna on the roof. 他们在屋顶上架起了电视天线。
