C2 noun #66,515 最常用

a boat that is on guard duty (as in a harbor) around a fleet of warships

guard boat 30秒了解

  • (noun) a boat that is on guard duty (as in a harbor) around a fleet of warships

Meanings

  1. 1
    noun a boat that is on guard duty (as in a harbor) around a fleet of warships
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