With a 42-foot wing span, they could shut out the sun.

凭借着42英尺的翼展，它们能遮天蔽日。

Yeah. So what's their wing span then?

嗯，它们的翼展有多长？

Giant mantas can weigh thousands of pounds and have a wing span approaching 30 feet.

巨型蝠鲼重达数千磅，两翼展开接近30英尺。

Its wing span is 385 feet which is wider than an American football field is long.

它的翼展有385英尺，比一个美式足球场的长度还要宽。

The six-engine plane with the wings span greater than the length of a football field is designed for air launching small satellites.

它的设计是为了空中发射小型卫星。