A short blast on the ship's siren warned the dockyard staff ashore. 這艘船的短笛聲警告修船所的員工上岸。
A large box open at the top and one side,designed to fit against the side of a ship and used to repair damaged hulls under water. 修船箱一個頂端和一側開口的大箱子，為合上船體的一側而設計，用於在水下修補破損的船身。
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