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6min English 1002.mp3 (7.69MB)Summary : This 6 minute Engliswhics about penicillin. Penicillin is a mold discovered by Alexander Fleming which can kill some bacterias which has protein in it and affective to penicillin, but these days, many bacterias are being less affective to penicillin.
Vocabulary:
antibiotic : substance that kills microorganisms
halo : circle
mould : Soft, green substance that develops on food or on objects that have been left for too long in warm moist air
chemotherapy : chemical treatment used to kill cancer cells
supresses : stops
immune system : our body's defence against infection and disease
pave the way : make something possible
resistance : ability to remain unharmed
corpses : dead bodies
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