To my surprise, as I scribbled out the last of my bitter, unanswerable questions and prepared to toss my pen aside, my hand remained poised over the paper, as if held there by some invisible force.
使我吃惊的是，当我写完了最后一个痛苦的、无法回答的问题，准备把钢笔放在一边的时候，我的手好像被一种看不见的力量拉住，悬在纸上不动了。
The black-light pen or watermark stylus was a specialized felt-tipped marker originally designed by museums, restores, and forgery police to place invisible marks on items.
黑光笔或曰水印笔是一种特殊毡头标记笔，原由博物馆、修复专家或反赝品警察设计用来在物品上作隐形标记用的。
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