今日主播：Catherine
Learning English is by no means easy, It takes great diligence and prolonged effort.
朗读内容
One was to bring down the fever,another a purgative,the third to overcome an acid condition.
The germs of influenza can only exist in an acid condition,he explained.
一种药退烧，另一种润肠、通便，还有一种是去酸。
他解释说，流感病菌只能在酸性环境下才能生存。
In ACE, everything is possible!
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