慢速英语:Banana Protein May Be Virus Killer

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短语讲解：

1. Bananas, it turns out, have a secret weapon.

turn out 关掉; 结果是; 制造
例句：Be calm and sit tight and everything will turn out well.
保持镇静，听其自然，一切都会好转。

2. Scientists are now taking a protein found in bananas and turning it into a drug that may someday fight viral infections.

turn into 成为; （使） 变成; 译成
例句：The war might turn into a miniature Stalingrad.
这场战争也许会变成小规模的斯大林格勒战役。

3. Stomach acids, he explains, will chew up the protein before it has a chance to fight infections in the body.

chew up 充分咀嚼; 弄坏
例句：Defence expenditures chew up 39 per cent of the budget.
国防开支耗掉了预算的39%。