鸟的主人说这只鸟可能是从鸟舍一处不结实的地方逃走的。The owner said the bird may have escaped through a weak spot in the aviary.那里面还有装满稀有鸟类的鸟舍.There was also an aviary full of rare birds.瀑布鸟舍拥有世界最高的人造瀑布.The Waterfall Aviary has the highest man - m...
我们向无耕地者分发同等面积的土地。We are giving an equal area of land to the landless.据我们所知, 海洋占地球面积的70%以上.As we've seen, oceans cover more than 70％ of the earth.森林资源清查中,多阶抽样并不局限于固定面积的抽样单元.Multistage sampling in forest inventory is ...