idiot light
名词 n.
英文释义
名词 n.
- Any warning light or indicator on the dashboard of a car, designed to alert the driver to problems, such as the parking brake being on or the oil being low.
词形变化
词源
From idiot + light, suggesting that even a stupid person with no mechanical knowledge can recognize a problem when thus indicated.
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数据来源: Wiktionary