BBC News Review: Supercharged antibiotic developed

source: BBC Learning English      2017年5月30日
Scientists have upgraded the effectiveness of a medicine. Dan and Catherine teach you the language the world's media is using to discuss this story.
The story:
Scientists say they’ve created a ground-breaking new version of a life-saving antibiotic. They say the discovery will boost their battle against infections that are resistant to antibiotics, one of the biggest threats to global health.
The researchers in the United States modified an existing medicine, vancomycin, making it about a thousand times more powerful.

Key words and phrases:
hail = publicly praise
supercharge = make more powerful
packs a punch = has great effect or power
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