短語詞組短語yawning reflex 呵欠反射yawning gulf 開口很大的鴻溝;口子很大的鴻溝Past yawning 打哈欠Frequent Yawning 數(shù)欠help yawning 幫助打哈欠While Yawning 而打哈欠yawning wearily 疲憊地打呵欠;打哈欠的疲勞yawning moment 方曏力矩Yawning Fissure 豁口裂縫 返回 yawning