该是母鸡孵蛋的时候了.It is time for hens to brood.是母鸡孵蛋的时候了.It's a time for hens to brood.这化石显示,早在鸟类出现之前,孵蛋的行为就已经演化出来.The fossil demonstrates that brooding behavior evolved long before there were birds....
目前,法拉第效应还有更令人鼓舞的,有前途的应用.In recent times the Faraday effect has been put to even more exciting and promising uses.从法拉第的时代起,人们就已推测到,在原子内存在着带电的粒子.That electrically charged particles reside within atoms had been surmised sin...
The baby has just learned to toddle.小孩子刚会走道儿.We watched the little boy toddle up purposefully to the refrigerator.我们看著那小男孩特意晃到冰箱前.Why did you let the boy toddle by the river?你为啥让孩子东摇西摆地在河边走?...