名词
中文翻译：复视镜
同义词：
['telescope', 'binoculars']
例句：
-
1.She used to use a binocular to watch the birds in her backyard.
她过去用双筒望远镜观察她后院的鸟。
-
2.The astronomers used the telescope to observe the stars.
天文学家使用望远镜观测星星。
-
3. The children were using binoculars to spot the squirrels in the forest.
孩子们正在使用双筒望远镜在森林里寻找松鼠。