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Your Nose Sends an Emergency Signal
鼻子发出紧急信号，你就打喷嚏
精读先不看文字，完整听一遍。
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When dust, pollen, or cold air tickles your nasal passages, nerves send a fast alert.当灰尘、花粉或冷空气刺激鼻腔时，神经会迅速发出警报。
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Your brain tells your lungs to take a deep breath and push air out hard.大脑指令肺部深吸一口气，再用力呼出。
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Muscles in your chest, throat, and face all squeeze together in one quick motion.胸部、喉咙和面部的肌肉在瞬间同时收缩。
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That rush of air shoots out at over 100 miles per hour to clear irritants.这股气流以超过每小时100英里的速度喷出，以清除刺激物。
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Your eyes close automatically during the sneeze to protect them from germs.打喷嚏时眼睛会自动闭上，以保护眼睛免受细菌侵袭。
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Covering your mouth with your elbow helps stop tiny droplets from flying far.用肘部遮住口鼻，可防止飞沫远距离传播。
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Some people sneeze when they walk into bright sunlight — scientists call this the photic reflex.有些人一走到阳光下就打喷嚏，科学家称之为“光反射”。
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Sneezing too often might mean allergies or a cold is starting.频繁打喷嚏可能是过敏或感冒初期的表现。
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It’s polite to say 'Excuse me' right after you sneeze in public places.在公共场所打喷嚏后，礼貌地说声‘抱歉’。
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Doctors suggest washing hands often because sneezes spread germs easily.医生建议勤洗手，因为喷嚏极易传播病菌。
精读 · 大约 10 分钟
听 → 读 → 学表达 → 懂 → 今天会说这一句 → 跟读录音 → 自己说一句。
③ 学 · 重点表达
- Doctors suggest washing hands often because sneezes spread germs easily. 医生建议勤洗手，因为喷嚏极易传播病菌。
- Sneezing too often might mean allergies or a cold is starting. 频繁打喷嚏可能是过敏或感冒初期的表现。
- Your eyes close automatically during the sneeze to protect them from germs. 打喷嚏时眼睛会自动闭上，以保护眼睛免受细菌侵袭。
④ 懂 · 选一选
⑤ 今天会说这一句
Doctors suggest washing hands often because sneezes spread germs easily.
⑥ 跟读并录音
Doctors suggest washing hands often because sneezes spread germs easily.
第一版：录下来、回听、再听标准音。系统打分以后再加。
⑦ 说 · 自己来一句
用今天的表达，自己说一句。
例子：Doctors suggest washing hands often because sneezes spread germs easily.
已记下。连续天数以后会显示在课表里。
陈老师指导
课程开发中，敬请期待。成人和孩子都可以先自学听读、精读。
这边的讲解音轨还在做。想先跟着老师走完固定 30 课，可以去陈老师带读社（和自学通行不是同一份会员）。
课程开发中，敬请期待。