Their commitment was only to maintain the extent of forests, not their biodiversity.他们仅承诺维持现有森林面积，并不保证林区生物的多样性。Great progress has been made in protection of biodiversity.生物多样性保护取得重大进展.Aves diversity is one of the most im...
Their commitment was only to maintain the extent of forests, not their biodiversity.他们仅承诺维持现有森林面积，并不保证林区生物的多样性。Biodiversity was the buzzword of the Rio Earth Summit.生物多样性是里约热内卢地球峰会上的时髦词儿。Great progress has been made in p...