The German quickly developed an instrument which picked up the radar signal and gave the U-boat warning.
德国人很快造出了一种能测知雷达信号并向潜艇发出警报的仪器。
2
Shipwrecked castaways stumble upon the mysterious island of Caprona in the Bermuda Triangle, confronting man-eating dinosaurs and a stranded GermanU-Boat crew while trying to escape.