例句：

　　Fifteen points allocated among four goals.

　　15點(diǎn)分布在4個(gè)目標之中。

　　The level of carbon monoxide in a smoker's blood is four times higher than normal, and it can be as much as fifteen times higher in the blood of heavy smokers.

　　一個(gè)吸煙者血液中一氧化碳的水平比正常值高出四倍，而在重度抽煙者的血液里，則可能高出十五倍之多。

　　It was an enormous animal, fifteen or sixteen feet long, and must have weighed from three to four thousand pounds.

　　這是一只巨大的動(dòng)物，長(cháng)達十五到十六英尺，至少有三千到四千磅重。