如果可能，应追查谣言的源头。If it's possible, track the rumour back to its origin.探险者在中非找到了尼罗河的几处源头.Explorers traced the Nile River to its several headstreams in Central Africa.我们溯河而上,直到源头.We traced the river to its source....
But hatching time was drawing closer every day.但是“收蚕”的时期一天一天逼进了.The prevailing conditions in activated sludge may even promote the hatching of some helminth eggs.在活性污泥中,适宜的条件甚至可能刺激一些蠕虫卵的孵化.In the glare from the street - ...
Contrast the formation of intrusive and extrusive igneous rocks.对比形成的侵扰和挤压火成岩.Its petrology , petrochemistry and geochemistry feature show the intrusive is post - collision and strongly - peraluminous granite.岩石学 、 岩石化学、...