For ten weeks, nine hours at a stretch, he carefully wrote his message with a black felt-tip marker.

花费了整整十个星期，每天九个小时，他用黑色毡尖笔小心翼翼地写下了他的留言。

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Venier caliper, metallic ruler, measuring tape, square, center punch, felt point marker pen.

卡钳，金属的直尺，卷尺，曲尺，中心冲，感觉测点作记号钢笔。

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Aldrin relied on a felt-tip marker, since the non-conductive tip would close the contact without shorting it out, or causing a spark.

奥尔德林当时使用的是毡制粗头笔，它的尖头是不导电的，接触开关不会造成短路或引发火花。

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Felt Marker Thin: Simulate the casual scrawl of letters created by a felt-tip marker.

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"I felt a little bit scared when I saw the red marker next to my name, " said the 29-year-old from Nottingham.

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