例句與造句

1. Suppose you're trying to row east against some unknown north-south current while staying between parallel barriers ( the walls of my tube ).
2. It would involve creating a long dam-like structure perpendicular to the coast, with the option for a coast-parallel barrier at the far end, forming a large'T'shape.
3. Like many others of the era, the toll road consisted generally of improvements along the path of an ancient Susquehannock Amerindian trail traveling generally south-southeast to north-northwest across the parallel barrier ridges and steep valleys in the Ridge and Valley Appalachians connecting the center waters of the Lehigh River valley on the opposite shore from the Lehigh Gorge exit to Nescopeck, Pennsylvania ( and on the opposite shore of the ( Main Branch ) Susquehanna River.
4. It's difficult to find parallel barrier in a sentence. 用parallel barrier造句挺難的