yellow flag
短语（表示该船正在检疫的）黄旗
词形变化
yellow flags
复数
yellow flags
释义与例句
n.
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1.
A Eurasian and northwest-African aquatic iris, Iris pseudacorus.
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2.
A minor red flag.
比喻 非正式 -
3.
Used other than figuratively or idiomatically: see yellow, flag.