Behold, now it vanishes in the heights till only a black speck is visible, now it turns on the wing and gleams for an instant in the sunlight.是什么意思_Behold, now it vanishes in the heights till only a black speck is visible, now it turns on the wing and gleams for an instant in the sunlight.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句