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小猴子@219
People use their hands to cover their mouths when they laugh or cough.人们笑或咳嗽时用手捂住嘴表示礼貌
实创佳人
cover one's mouth with hands祝学习进步，天天快乐！满意请采纳！谢谢！：）
晓晓彤儿
Please cover your mouth when you are coughing.
大眼博奇
当你咳嗽时用手捂住你的嘴When you cough hand over your mouth当你咳嗽时用手捂住你的嘴When you cough hand over your mouth
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