It is from that exotic image that we get this idiom meaning to define a symbolic point beyond which there is no further compromise.

通过这个奇怪的想象我们来了解这个谚语的含义，它为外界没有进一步的入侵定义了一个象征符。

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Thecurrent "standard model" of physics holds that each particle -protons, electrons, neutrons and a zoo of more exotic particles - has itsmirror image antiparticle.

在当前有关物理学的“标准模型”中，包括质子、电子、中子以及大量更怪异粒子在内的每一种粒子都有其反粒子“镜像”。

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In India, one can easily find a snake charmer performing in the market or on the street. The exotic sight of a mystic man with a basket across his shoulder has been a century's old image of India.

在印度，人们很容易在市场或街道上发现耍蛇者在表演。神秘人肩背竹篓的异域景象是印度一个世纪以来的古老标志。

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"From the 1970s, the vampire has achieved a cool, bad boy, exotic and sexy image", she says.

BBC: How vampires got all touchy-feely

Texas was a battleground for the tort reform movement in the 1990s, with pro-business conservatives eventually winning control of the Texas Supreme Court and reversing the state's image as a haven for plaintiff lawyers with exotic new theories of damage.

FORBES: She's Good For Business

This high-performance camera also comes with built-in GPS capabilities so photographers can easily log even their most exotic travels by pinpointing the exact latitude and longitude where the image was captured.

ENGADGET: Nikon Coolpix P330 packs 1/1.7-inch 12.2MP sensor and f/1.8 lens, we go hands-on