| 释义 |
U-boat/ˈjuː bəʊt//ˈjuː bəʊt/ 词路径- entity
- physical entity
- object
- physical object
- whole
- unit
- artifact
- artefact
- instrumentality
- instrumentation
- conveyance
- transport
- vehicle
- military vehicle
- warship
- war vessel
- combat ship
- submersible
- submersible warship
- submarine
- pigboat
- sub
- U-boat
上位词- submersible
- submersible warship
下位词- attack submarine
- auxiliary research submarine
- fleet ballistic missile submarine
- nautilus
- nuclear-powered submarine
- nuclear submarine
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