友情提醒：点击
，可以收听真人发音
，可以收听真人发音 
小测验：选择正确的单词
- 论坛新贴
periscope ['periskəup]
基本释义
- n. 潜望镜,展望镜
参考例句
- The wake made by a submarine's periscope.
微波潜水艇的浅望镜在水中造成的波浪
- The wake made by a submarine's periscope.
英英解释
1个名词解释
- an optical instrument that provides a view of an otherwise obstructed field