elbow telescope

例句：

1. 1. The astronomerused an elbow telescope to observe thestars.
   这位天文学家用肘部望远镜观察星星。
2. 2. She took out her elbow telescope and began to photograph the sunset.
   她拿出她的肘部望远镜，开始拍摄日落。
3. 3. Heused his elbow telescope tocapture the best view of the mountainrange.
   他用他的肘部望远镜捕捉到了山脉的最佳视角。