这船上除高级船员外, 有57名普通船员。
高级船员与普通船员之间用共同的语言有效沟通。
Officers and crew to speak a common language and communicate effectively with each other.
有关安全问题,请不要迟疑,去问船舶高级船员或普通船员。
If you have any questions regarding safety, do not hesitate to ask the ship's officers of crew.
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