thank-you-ma'am
短语n. 坑坑洼洼, 路面横沟
词形变化
thank-you-ma'ams
复数
thank-you-ma'ams
释义与例句
n.
-
1.
A ridge or hollow across a road.
词源
Named in allusion to the sudden bobbing of the head of a person crossing it in a vehicle, similar to a curtsey.
来源:wiktionary