The parrot calmly stepped out onto David's extended arm and said: "I'm sorry that I might have offended you with my language and action and I ask your forgiveness."
鹦鹉镇静的踱上戴维伸出的手臂说：“对不起，我的话语和行为可能冒犯了你，我请求你的原谅。”
Unilateral extended arm molecular beacon;
单侧延长臂分子信标；
Unilateral extended arm molecular beacon;
单侧延长臂分子信标；
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