例句與造句

1. In 1852, Bishop guided Nathaniel Parker Willis to Echo River.
2. The Echo River Tour, one of the cave's most famous attractions, used to take visitors on a boat ride along an underground river.
3. He identified different levels of the cave, and correctly noted that the level of Echo River within the cave was controlled by that of the Green River on the surface.
4. Finally, on September 9, 1972, a six-person CRF team of Wilcox, Crowther, Zopf, Gary Eller, Stephen Wells, and Cleveland Pinnix ( a National Park Service ranger ) followed Hanson's Lost River downstream to discover its connection with Echo River in Cascade Hall of Mammoth Cave.
5. In 1972, when modern explorers discovered a connection between the Flint Ridge Cave system to the northeast and Mammoth Cave, they were astonished to discover that the Mammoth Cave end of the connection was actually indicated as a passage lead on Bishop's map . ( It is seen as a long thin line branching off from the eastern end of the Echo River complex . ) The construction in 1905 of a dam on the Green River in the interim caused the passage to be flooded ( and therefore inaccessibly hidden by murky water ) most of the time after the dam's completion, and the passage was rediscovered backwards, from its remote end, by cavers entering the Flint Ridge Cave System.
6. It's difficult to find echo river in a sentence. 用echo river造句挺難的