广播电视英语短句 第 183 课：森林砍伐-3

These programs, along with natural expansion of forests in some areas, have added more than seven million hectares of new forests each year. 这些计划，还包括一些地区森林的自然增长，致使每年新增了超过 700 万公顷的森林面积。

South America and Africa had the highest yearly loss of forests during the last ten years. 过去十年中，南美洲和非洲每年都拥有极高的森林退化率。

South America lost four million hectares. Africa lost almost three and a half million hectares. 南美洲退化了 400 万公顷。非洲则退化了近 350 万公顷。

However, Asia gained more than two million hectares a year in the last decade. 然而，在过去十年中，亚洲每年新增森林 200 万公顷。

In North America and Central America, the forest area remained about the same. 在北美洲和中美洲，森林面积与历史持平。