The key, he thought at last, dripping wet, must be to hold the wings still at high speeds - to flap up to fifty and then hold the wings still.是什么意思_The key, he thought at last, dripping wet, must be to hold the wings still at high speeds - to flap up to fifty and then hold the wings still.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句