was underlain by

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/08/27 11:30:12

was underlain by
In the early twentieth century,however,it was discovered that much of the High Plains was underlain by a huge aquifer (a rock layer containing large quantities of groundwater).这句话怎么理解啊

20世纪早期,人们发现大部分的高平原地区之下存在巨大的含水土层（含有大量地下水的岩层）

He was close by.翻译 she was not beaten by , Tea was i______ by accident --------------home-------------------- he was questioned by A man was walking by . paper was invented by chinese. 英语翻译Transfection efficiency was determined by immunocytochem your brain was eaten by a I was ______ by the ______ news. i was always by your side . he was hit by others翻译求解答过程：America was _____ by