Lastly, create winglets by folding down the top quarter-inch of the wingtips.

最后，通过折叠翅膀顶端的四分之一英寸来创建小翼。

This rule also applies to anything aerodynamic, like winglets or the new 777X folding wings.

条规则也适于任何空气的东西，比如小翼或新的 777X 折叠机翼。

New wing technology was implemented, such as winglets, which made planes more aerodynamic and reduced flight times.

实施了新的机翼技术， 例如小翼，使机更符合空气并缩短了时间。