yawned [jɔ:nd]

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附加级

v.打呵欠( yawn的过去式和过去分词 )；张开，裂开

She yawned and looked pointedly at her watch. 她打了个哈欠，又刻意地看了看手表。
John yawned and scratched his chin. 约翰打个哈欠，挠挠下巴。