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reserve parachute
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reserve parachute
/ɹɪpˈɔːt ˈɹaɪtɪŋ ˈɹuːm/
n
中文:
备用伞
中文 · 备用伞
Español · paracaídas de reserva
Français · parachute de secours
Meaning:
Extra parachute used in the event the main one malfunctions; an automatic activation device deploys it when a predetermined safe altitude is reached.
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Skydiving
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