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

最后，通过翅膀顶端之一英寸来创建小翼。

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

这条规则也适于任何空气动力学东西，比如小翼或新 777X 翼。

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

实施了新翼技术， 例如小翼，这使飞更符合空气动力学并缩短了飞行时间。