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. 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