directional
英 [daɪˈrek.ʃən.əl]
美 [daɪˈrek.ʃən.əl]
可以将“directional”分解为“direction”(方向)和“-al”(形容词后缀),来记忆。想象一个“方向”的指示器或者指南针,它具有指向特定方向的特点,从而形成“directional”表示“方向性的”。
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- 1. Jets of compressed air gave the aircraft lateral and directional stability.
- 压缩空气的喷吐使飞机的左右和前后都能保持稳定。
- 2. Dish aerials are highly directional.
- 碟形卫星天线的定向性非常强。
- 3. The length of the fuselage was increased due to a degree of directional instability.
- 由于存在某种程度的航向不稳定性,机身被加长了。
- 4. The directional microphone trained on Foresters Cottage could pick up every word uttered inside at several hundred yards.
- 对准福雷斯特小屋的定向扩音器在几百码远的地方也能捕捉到里面的人所说的任何一句话。
- 5. Migrating birds have marvelouos directional sense.
- 候鸟有非凡的方向辨别力。