对于业余博物学者来说，在一片空地上或被炸后的废墟里可能发现种类繁多的植物群和动物群。A vacant lot or a bombsite can, to the amateur naturalist, produce an extraordinary variety of flora and fauna.通过观察某些现存的动物群和植物群,我们就能更清楚地了解这种困难了.We shall appreciate this difficult...
The fallopian tubes connect the ovaries with the uterus.输卵管连接着卵巢和子宫。Since when does the possession of ovaries become an insult?从什么时候起拥有卵巢变成了一种侮辱了?In Alaska, they hae caused female polar bears'ovaries to shrink.在阿拉斯加...
我们知道不断增加的引力会加速细胞的分裂。Increasing gravity is known to speed up the multiplication of cells.增加的投资将有助于经济的稳定。The increased investment will help stabilise the economy.额外的责任与小幅增加的薪金之间的不相称the disproportion between the extra respo...