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(chǎn)品。