| 词汇 | kowtow |
| 词根词缀 | 词源： 1804 (n.), from Chinese k'o-t'ou custom of touching the ground with the forehead to show respect or submission, lit. "knock the head," from k'o "knock, bump" + t'ou "head." The verb in the fig. sense of "act in an obsequious manner" is from 1826. |
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