为了使直升机在尘土中安全地着陆需要复杂的激光扫描仪去探测被旋翼的倒灌气流扬起的灰尘所隐藏的障碍物。

To land a chopper safely in the dirt requires sophisticated laser scanners to detect obstacles hidden by dust thrown up by the downdraught of the rotors.

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要对车内做一次简单的打扫，除去车内的尘土，用吸尘器吸去脚垫及坐椅缝隙中的灰尘。

To do a simple clean the inside of a car, car dust removal, use vacuum to dust mat and seats in the gap.

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为了使直升机在尘土中安全地着陆需要复杂的激光扫描仪去探测被旋翼的倒灌气流扬起的灰尘所隐藏的障碍物。

To land a chopper safely in the dirt requires sophisticated laser scanners to detect obstacles hidden by dust thrown up by the down draught of the rotors.

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树叶被尘土覆盖着，到处都有薄薄的一层灰尘——房间里，走廊里和椅子上。

The leaves were covered with dust, and everywhere there was a thin layer of it - in the room, on the veranda and on the chair.

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污垢，泥土；灰尘，尘土；下流话。

Thee windows were encrusted with dirt.

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多用于处理灰尘、尘土和其他悬浮颗粒污染物。

Basically any location where dust, dirt or any other airborne particle debris becomes an annoyance or hazard.

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当我们平时用鼻子呼吸的时候，会吸入空气中的很多杂质，比如灰尘、尘土、细菌、花粉等。

When you breathe in air through your nose, it contains lots of tiny things, like dust, dirt, germs, and pollen.

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当我们平时用鼻子呼吸的时候，会吸入空气中的很多杂质，比如灰尘、尘土、细菌、花粉等。

When you breathe in air through your nose, it contains lots of tiny things, like dust, dirt, germs, and pollen.

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