im-,进入，使，-pover,少的，贫穷，词源同poor,poverty.

1. National isolation can only cause economic and cultural impoverish-ment.

锁国只会导致经济和文化上的困厄。

2. These changes are likely to impoverish single-parent families even further.

这些变革很可能使单亲家庭更加贫困。

3. Reducing the income will further impoverish these families and could tempt an offender into further crime.

降低收入只会使这些家庭更加贫穷，而且可能诱使不法分子进一步犯罪。

4. We need to reduce the burden of taxes that impoverish the economy.

我们需要减轻导致经济困顿的税收负荷。

5. Impoverish the soil by overuse.

过度耕作而使土壤变得贫瘠.