On the road without dust but full of petals, the postman rode his bike, losing himself in the sweet smell and not feeling lonely and anxious any more.

在没有尘土却有花瓣的路上，邮差骑着自行车，沉醉在甜蜜的气味中，不再感到孤独和焦虑。

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Milling process of the whole seal, without dust leakage.

磨粉过程全封闭，无粉尘泄露。

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Milling process of the whole seal, without dust leakage.

磨粉过程全密封， 无粉尘泄露。

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Virtue is to be fought for and raced for, not without dust and heat.

美德是要竞争和奋斗的，没有痕迹和温度。

耶鲁公开课 - 弥尔顿课程节选

The view from the hazard-avoidance camera with and without the clear dust cover.

ENGADGET: Life on Mars: One week of Curiosity Alt

One possibility is that vortex whirlwinds arise at Gale without lifting as much dust as they do elsewhere.

ENGADGET: Curiosity rover finds radiation levels on Mars are safe for humans

The infra-red light from dust heated by a star has a much longer wavelength ie, is cooler than most of the light from the star itself, so a camera tuned to the right wavelength can pick out a dust disc without being totally blinded by the stellar glare.

ECONOMIST: Dusty genesis