近20年来,英国的牧草地大幅减少,歌鸫的数目因此下降了百分之64。
The loss of pasture in Britain over the last 20 years has prompted a 64-percent decline in the number of song thrushes.
近20年来,英国的牧草地大幅减少,歌鸫的数目因此下降了百分之64。
The loss of pasture in Britain over the last 20 years has prompted a 64-percent decline in the number of song thrushes.