| 词汇 | grin |
| 词根词缀 | 词源： O.E. grennian "show the teeth" (in pain or anger), common Gmc. (cf. O.N. grenja "to howl," grina "to grin;" Du. grienen "to whine;" Ger. greinen "to cry"), from PIE base *ghrei- "be open." Sense of "bare the teeth in a broad smile" is c.1480, perhaps via the notion of "forced or unnatural smile." the noun is first attested 1635. 词根记忆： n. /vi.露齿而笑,咧嘴一笑He grinned his approval.他用一笑表示同意. |
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