The invention of the visible light microscope late in the 16th century introduced a previously unknown realm of single-celled plants and animals.

16世纪后期，可视光学显微镜的发明使人类第一次观察到了单细胞动植物的世界。

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When I turned to look for my father he was gone, and in all the years that have passed no whisper of his fate has come across the borderland of conjecture from the realm of the unknown.

而当我转过头来时，我的父亲已经不见了，这么多年来，关于他的命运没有任何消息，一切都流于未知与猜测。

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While Lyanna-as-the-KoLT would require a great deal of luck to defeat three knights (even though their level of skill is unknown), it's not entirely out of the realm of possibility.

尽管笑面树骑士莱安娜击败三个骑士需要很大的运气成分（他们的水平未知），但这并非不可能。

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But that realm is also where the next Andy Warhol, Jackson Pollock or Pablo Picasso is currently struggling and unknown.

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