Total time aloft for Flight C-33 was 75 seconds, with parachute ejecting at the peak, 12 seconds after liftoff.是什么意思_Total time aloft for Flight C-33 was 75 seconds, with parachute ejecting at the peak, 12 seconds after liftoff.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句