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.