A New Drug 一种新药
Jack:I have invented a new drug which could kill lice effectively.
Tom:That's wonderful. How is it used?
Jack:When you catch a louse, just put a little of that drug on its mouth and it will die immediately.
一种新药
杰克:我发明了一种新药能有效地杀死虱子。
汤姆:太棒了。怎么用呢？
杰克:你捉到一只虱子，只要在它嘴上抹一点这种药，虱子就会死去。
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