up periscope

常见例句

The periscope bobbed up behind him.
他背后的潜望镜突然冒了出来。
When an elephant gets a whiff of something interesting, it sniffs the air with its trunk raised up like a submarine periscope.
大象闻到一些感兴趣的味道，它就闻着那个味道翘起鼻子就像潜艇望远镜。
In that sense, Internet use is like a periscope: When users age 50-plus put theirs up, researchers have found, they’re looking both backward and forward, toward the past and the future.
在这个意义上，互联网的使用像潜望镜：当使用者年龄50余岁时，研究人员已经发现，他们也在向后和向前的寻找，面向过去和未来。