例句與造句

1. Eskers are very long ridges apparently formed when sub-glacial streams or rivers deposited sedimentary materials .
   蛇形丘顯然是冰下河溪的沉積物堆積而成的很長的壟崗。
2. This course covers sediments in the rock cycle , production of sediments at the earth ' s surface , physics and chemistry of sedimentary materials , and scale and geometry of near - surface sedimentary bodies , including aquifers
   本課程涉及到巖石循環(huán)中的沉積物，在地球表面沉積物的產(chǎn)生，沉積物的物理和化學(xué)性質(zhì)，和近地表沉積體的規(guī)模和形狀，包括含水層。
3. It's difficult to find sedimentary material in a sentence. 用sedimentary material造句挺難的