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救生衣未能充气。
The life jacket failed to inflate.
《牛津词典》
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在出机前请不要把救生衣充气。
Do not inflate your lifejacket until you are outside of the aircraft.
youdao
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到这边来，充气(救生衣)，上艇！
Come this way, inflate your vest! Step into raft!
youdao
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到这边来，充气(救生衣)，上艇！
Come this way, inflate your vest! Step into raft!
youdao