| 单词 | 他打了个哈欠 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔trouble〕He yawns, not troubling to cover his mouth.他打了个哈欠, 都懒得抬手遮一下嘴巴。外研社新世纪〔trouble〕He yawns, not troubling to cover his mouth.他打了个哈欠，都懒得抬抬手遮一下嘴巴。柯林斯高阶 |
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