“四倍”造句

過去五年中，銷售額已增長至以前的四倍。
Sales have quadrupled in the last five years.

過去幾年中銷售量較原來的增加了四倍。
Sales have quintupled over the past few years.

這座城市的空氣污染程度曾高達(dá)可接受標(biāo)準(zhǔn)的四倍.
Air pollution in the city had reached four times the acceptable levels.

• #四倍