短语讲解:
1. He says a lot has changed for the better since the UN agency released its last report on ozone depletion four years ago.
a lot 非常多
例句:The firms have to do a lot of work before investing.
这使得基金公司不得不在投资之前做许多的工作。
2. It protects the Earth from harmful ultraviolet radiation.
protect from 保护, 保卫
例句:Wild wood should be well protect from excessive hag.
野生森林应该被保护以免过量砍伐。
3. The report finds the discontinuation of ozone-depleting substances has been good for the world climate.
be good for 值得,有效; 利于
例句:Mild depression may be good for work.
轻微的沮丧可能对工作有好处。
4. This is because many of these substances also are strong greenhouse gases -- pollution linked to climate change.
link to 与…连接, 联系
例句:Research finds genetic link to some types of gum disease.
研究发现遗传与某些牙龈疾病有关。