船只安全和运营审计 vessel safety and operations audit
港口和船只安全法案 port and tanker safety act
安全船只 clean vessel
·2,447,543篇论文数据，部分数据来源于NoteExpress
船长命令把所有的帆放下以便船只安全渡过暴风雨。
The captain ordered all sails lowered so the ship could ride out the storm.
《新英汉大辞典》
灯塔指引船只安全进港。
A lighthouse guides ships safely to a harbor.
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它还使用破冰船清除河流，湖泊中的冰，好让船只安全航行。
It also USES ice-breaking boats to clear ice from rivers or lakes, so boats can travel safely.
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