单词
yawner
- n. 哈欠;裂口 (yawn的变形)
英文词源
- yawner (n.)
- 1680s, agent noun from yawn (v.). Meaning "boring thing" is 1942, American English colloquial (yawn (n.) in this sense is attested from 1889).
yawner相关单词
英文词源