http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
undocumented [美 ˌənˈdɑkjəˌmɛn(t)əd, 英 ʌnˈdɒkjʊmɛntɪd] 形
1. undocumented (unrecorded):
- undocumented event/report/species
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2. undocumented (without legal documents):
- undocumented alien/immigrant
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3. undocumented 计算机:
- undocumented
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在《PONS词典》中的词汇
-
- undocumented immigrant
单语范例（未经PONS编辑处理）
The government calculates that 504,000 people entered the country during the same period, giving about 345,000 undocumented immigrants.
en.wikipedia.org A lot of effort was put into the reverse-engineering of the hardware in order to find undocumented possibilities usable for new effects.
en.wikipedia.org Most of these registers were undocumented, and used by specialized software.
en.wikipedia.org Investigators could not locate any engineering calculations supporting the pads as designed; worse, the pads were built substandard to the undocumented design.
en.wikipedia.org Together, flanked by undocumented supporters, they managed to clear all but one person who made it to the front of the stand.
en.wikipedia.org