1. "If someone is talking near that periscope, " he says, "you can hear their voice on that speaker. 他说：「如果有人在潜望镜附近讲话，你就可以从扬声机听到他们的声音。」
2. "There is a periscope on the laser table that raises the beam up to the right height, " Schofield explains. 斯科菲尔德解释道：「这是因为雷射桌上有座潜望镜，用来将光束拉到正确的高度。」
3. The simulation software in this system Includes: main-control module, all-attitude module, optics periscope module. 该系统的仿真软件部分，主要包括：主控机软件、全姿态仪软件、光学瞄准镜软件等。
英英解释
n.
1. an optical instrument that provides a view of an otherwise obstructed field
