| 单词 | 拖力 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔air brake〕A surface, such as an aileron, that can be projected into the airstream in order to decrease the air speed of an airplane by increasing drag; a spoiler.减速板：飞机上的一个诸如副翼的平面，可以投射到气流中通过增加拖力来减小飞机的速度；扰流器美国传统〔flap〕A variable control surface on the trailing edge of an aircraft wing, used primarily to increase lift or drag.襟翼：飞机后翼上最初用来增加上升力或拖力的可灵活控制的辅助翼美国传统 |
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