He trained his binoculars on the distant figures . 他把双筒望远镜对准远处的景物。
The bird-watcher raked the trees with his binoculars . 观察野鸟的人用双筒望远镜扫视树木。
The man focused some binoculars on the green peninsula ahead . 男人拿起双筒望远镜眺望前面那青翠的半岛。
Large sunspots can comfortably be seen through field glasses . 大的太阳黑子用双筒望远镜就能看得很清楚。
All these figures actually apply strictly only to binocular observations . 严格地说,这些数目字实际上仅适用于双筒望远镜的观测。
In order to increase the performance of binoculars we recommend supplementary telescopes . 为了提高双筒望远镜的性能,我们介绍辅助望远镜。
With the help of no more than binoculars it is easy to distinguish the two main kinds of lunar landscape . 用不着使用双筒望远镜,就可以容易地分辨出月球上的两种主要景象。
Even a careless momentary look through the eyepiece of field glasses or the telescope can do great harm to the eyes . 通过望远镜或双筒望远镜的目镜,即使对太阳只是漫不经心的一瞥,也会对眼睛造成严重的伤害。
Then get a pair of binoculars and a notebook 然后准备一副双筒望远镜和笔记本。
He took out the binoculars and adjusted the focus 他取出双筒望远镜并调整了焦距。