They were used to outline figures to show boundaries just like you might use solid lines in a pencil drawing.

它们被用来勾勒图形以显示边界，就像你在铅笔画中使用实线一样。

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If you're not savvy technologically, getting your kids to show you how to use the Internet or chat rooms is a good way to lead into a discussion about boundaries.

如果你没有这么多高明的点子，那么就给你的孩子展示你是怎么上网或者在聊天室聊天的，这也是讨论身体界限的一个好方法。

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He explained to the Times newspaper exactly what was meant by this. 'I like to experiment with different tastes and flavours of sweet and savoury to show they have no boundaries.

他向时代报刊解释其意思为“我喜欢尝试甜咸等不同口味和风味是为了表明他们是没有分界线的。”

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The show is one of MOCAs many efforts to move beyond generational,geographical and cultural boundaries in exploring Chinese-American identity.

VOA: special.2010.03.03

They show the field boundaries.

NPR: Crop Cops Take to the Sky

House and Price show how HP blurred boundaries in useful ways.

FORBES: Magazine Article

In the first two seasons of the show, Nucky (played by Steve Buscemi) had sought to keep boundaries between his career as an elected official, his business as a bootlegger, and his personal life.

FORBES: Nucky Thompson: Know Yourself Before You Can Get What You Want