"If one keeps their weight steady and stays thin throughout one's life, this increases life span," Alexiades said.

“如果人们保持体重稳定，在一辈子中都保持瘦削，就会得以享受长寿。”Alexiades说。

youdao

Hoerner wing tips provide the largest effective span for a given geometric span or a given wing weight.

霍纳翼尖翼提供给定的重量最大有效跨度为给定的几何大跨度或。

youdao

Because of its economy, beauty, and less dead weight, it is widely applied to large span structures, such as large-scale stadium, exhibition center, works of decoration, and so on.

由于其自重小且经济美观，因此它被广泛地应用于大跨度空间结构中，如：大型运动场馆、会展中心、装饰小品等。

youdao

It has the wing span of a commercial airplane but the weight of the average family car, making it vulnerable to bad weather.

WSJ: Solar plane plans stops in Phoenix, Dallas, NYC