spotting scope短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 射弹观测镜 The DC4 camera eyepiece is attached to the spotting scope instead of a standard observation eyepiece. 照相机目镜可作为附加件用于观鸟镜，代替标准的目镜使用。 cpooo It is very hard on the eyes to use binoculars or a spotting scope for more than20 minutes at a time. 这是非常困难的，用双筒望远镜或望远镜超过20分钟的时间。 toujidao