1.Among the most spectacular sights are the great sea-bird colonies.庞大的海鸟群是最壮观的景象之一。2.The sudden noise frightened the birds to take wing.突然的噪声把鸟群惊飞了.3.The birds darkened the dying sun in the whirl - wind.鸟群像旋风般地把即将西沉的太阳遮得黯淡无光.