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Pronunciation Guide
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Listen to native speakers pronounce “coal tar” in real conversational contexts with synchronized timestamps and subtitles.
Exhibit C: Further studies showed that cigarette smoke destroys cilia— the tiny structures in lungs that keep out bad stuff.And finally, Exhibit D: Tobacco smoke itself contains a chemical compound that was previously shown to cause cancer in people exposed to coal tar.All of that evidence, when weighed collectively, began to tip the scales!