The new truck design reduces drag, which should cut our fuel costs this quarter.

新的卡車設計減少了風阻，這季應該能降低我們的燃料成本。

Engineers presented data showing how wind drag affects delivery drones during the meeting.

工程師在會議中展示數據，說明風的阻力如何影響送貨無人機。

The airline upgraded its wings to lower drag and shorten flight times between hubs.

這家航空公司升級了機翼以降低阻力，縮短樞紐之間的飛行時間。