telescopic band
常见例句
- The utility model is composed of a head band (1) which can be amplified and decreased, and a telescopic support rod (6).
它是由可以放大缩小的头箍（1）和可伸缩的撑杆（6）组成。
ip.com - A composite of narrow and broad band telescopic images, the view spans about 40 light-years and includes emission from hydrogen in green, sulfur in red, and oxygen in blue hues.
这幅由窄波和宽波段望远镜照片合成的图像跨度约为40光年，图中的绿色是氢原子发出的光、红色是硫原子、蓝色则是氧原子。
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