u-boat
u-boat — noun
1. a German military submarine — a warship built for underwater warfare — used espe
a German military submarine — a warship built for underwater warfare — used especially during the First and Second World Wars to attack enemy merchant ships and naval vessels
The convoy's escort ships dropped depth charges after a U-boat was detected on sonar.
depth charges as anti-submarine weapon
During the Battle of the Atlantic, German U-boats sank thousands of supply ships bound for Britain.
U-boat + sank + supply ships (historical context)
A damaged U-boat surfaced near Ireland, and the crew surrendered to the British navy.
The museum exhibit includes a full-scale World War II U-boat model with cramped living quarters inside.
Historians still debate whether radar could have stopped the U-boat threat sooner.
文法句型
a/the + U-boat
U-boat + noun (attributive)
用法筆記
The word is a partial translation of German U-Boot, short for Unterseeboot ('undersea boat'). In English it refers exclusively to German submarines of the two world wars. Modern German submarines are usually called simply 'submarines' in English rather than U-boats.