The warning system on the Boeing 757 cargo plane, another plane involved in the accident, on the other hand, ordered the two pilots on board to descend.是什么意思_The warning system on the Boeing 757 cargo plane, another plane involved in the accident, on the other hand, ordered the two pilots on board to descend.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句