On a boat you must wear a lifejacket.
在坐船的时候，你必须穿上救生衣。
Do not inflate your lifejacket until you are outside of the aircraft.
在出机前请不要把救生衣充气。
Your lifejacket is located under your seat or beneath your central arm rest.
你的救生衣装在座位下或者中央扶手下面。
Your lifejacket is located under your seat or beneath your central arm rest.
你的救生衣装在座位下或者中央扶手下面。
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