If the soil has been exhausted of these chemicals, it's really hard to grow crops.

如果土壤中这些元素被耗尽了，作物就很难生长。

The poster is coated with titanium dioxide and can consume the nitrogen oxide exhaust of about 20 cars per day.

这面广告牌的表面涂有二氧化钛，可以吸收相当于20辆汽车一天排放的一氧化氮量。

You can find them from the exhaust of a car.

您可以从汽车的尾气中找到它们。

You have to exhaust yourself of every possibility within your control.

你必须用尽你所能控制的每一种可能性。

Get enough of those particles in one place as from the exhaust of a ship and they can lead to the creation of new clouds easily visible from space.

当足够多的尾气微粒，就比如足够多的轮船尾气微粒积聚在一个地方，就会形成从太空都能轻松看见的云朵。

Neither is a country which has no mines, more likely to be exhausted of gold and silver by this annual exportation of those metals, than one which does not grow tobacco by the like annual exportation of that plant.

一个没有矿产的国家，比一个不种植烟草的国家更容易因每年出口这些金属而耗尽金银。