单词:odor sensor
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi
Where Does Bad-breath Odor Come From? We all have offensive breath at one time or another. In most cases, offensive breath originates from bacteria in the mouth, although there are other more surprising causes. Until a few years ago, the most doctors
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its true that if you eat a lot of whats fondly dubbed the stinking rose, others might notice a faint whiff of eau de garlic in your sweat. But even the
陈豪在北京的ABC美国公司工作。他遇到美国同事Amy。 (Office ambience) A:Hi Chen Hao, how are you today? C:还不错,你呢? A:I'm fine, just taking a quick break. C:我刚才看到一件怪事。 A:What? C:我在走廊
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