40的英文是：forty；

forty：

n.四十;四十几。

复数： forties

派生词： fortieth

相关介绍

The plant provides forty per cent of the country's electricity.

全国总电量的40%是这家发电厂提供的。

After forty years in the police force nothing much shocks me

在警队呆了40年后，我对什么都见怪不怪了。

I was forty, the age when people take stock and change their lives.

我已年届不惑，到了该全面审视自己并改变生活的年龄了。

Two-way trade between the two countries increased by more than forty per cent last year

去年，两国间的双向贸易增长了40%多。

Now I can look back on the whole tragedy from a distance of forty years.

时隔40年后，现在我可以回顾整个悲剧了。