forty-second

num.第四十二

Forty seconds later， the shock waves reached the base camp where the Italian-American physicist Enrico Fermi and his team stood. 40秒钟以后，这个震动波传到了美籍意大利人、物理学家恩里科-费米和他的队员们所驻扎的基地。

They managed to squash forty people into the bus. 那辆公共汽车好不容易塞进了四十个人。

I want to catch forty wink before the guest arrive. 我想在客人到达之前，先打个盹儿。

How much of that forty yuan have you left? 40块钱用得还剩多少了？

His hair became gray when he was only forty. 他刚刚四十岁时，头发就变得灰白了。