thank-you-ma'am 
(thăngky-măm′)
(thăngky-măm′)n.
A bump or depression in a road.
[From its causing the head to nod as though in acknowledgment of a favor.]
| 单词 | thank-you-ma'am |
| 释义 | thank-you-ma'am (thăngky-măm′)n. A bump or depression in a road. [From its causing the head to nod as though in acknowledgment of a favor.] |
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