It should not be allowed to touch the ground or floor, nor to brush against objects.

不应该允许它接触地面或地板，以及与物体摩擦。

youdao

Using any image as reference, this can then be used as a template for a brush, sprayed on or molded onto the creation.

你可以用任何图片作为笔刷模板，就可以参照这张图片在你的作品上进行喷涂或建模。

youdao

"Despite what seemed to be plenty of vigorous activity with the brush", he writes, "little seems to have changed on the canvas."

“不论那把刷子看起来多么地充满活力”，他写道，“画布上看起来却没什么变化。”

youdao

So young children should be carefully supervised when they brush their teeth.

VOA: special.2009.03.11

House Majority Leader, Democrat Steny Hoyer says House and Senate budget plans will be a "broad brush" blueprint to achieve the objectives of repairing the economy in the short-term and putting the U.S.

VOA: standard.2009.03.24

It could be a brush with history, as with the Colosseum, or face time with celebrities and thought leaders at a place like TED (or at the elegant private gatherings sponsored by many top-tier companies for their best clients).

FORBES: How to Fight Back Against Disruption and Compete with Free

One selling point could be their potential brush with celebrity.

WSJ: Porcelain Makes a Splash at Restaurant Auction

Rumors have swirled about the possibility that the Knicks might move second-year guard Iman Shumpert, which would be easy to brush aside if it didn't make a perfect kind of Knicks-style sense, a team that cannot man-on-man defend trading away its best man-on-man defender.

WSJ: Knicks, Nets and Reality