英语翻译白垩纪末期可能下过强烈的酸雨,使土壤中包括锶在内的微量元素被溶解,恐龙通过饮水和食物直接或间接地摄入锶,出现急性

The upper cretaceous period may once strong acid rain,soil including strontium,trace elements being dissolved,dinosaurs through drinking water and food directly or indirectly intake of strontium,appear acute or chronic poisoning,last batch died.

End of the Cretaceous may be too strong under the acid rain, the soil, including trace elements, including strontium is dissolved, dinosaurs through drinking water and food intake of strontium, directly or indirectly, the presence of acute or chronic poisoning, the last batch of dead.