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。
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。
In this dark realm, at a loss and fear of the unknown, wrapped in the dark, wrapped around her remaining courage.
就存在于这片黑暗的领域里，对未知领域的茫然与恐惧透过深邃的黑暗缠绕着，包裹着，蚕食着她仅存的勇气。
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