例句：

　　The police caught the man who tried to abduct the boy for ransom.

　　警察抓住了那個企圖拐走這男孩以便勒索贖金的家伙。

　　He had attempted to abduct the three boys.

　　他曾企圖誘拐那三個男孩。

　　In Rome, you can drink from a street fountain fed by an ancient aqueduct.

　　在羅馬，你能直接喝街道噴泉里的水，是從古渠道流過來的。

　　The raw material for the tyre is a byproduct of oil refining.

　　這種輪胎的原料是汽油提煉的副產品。