The road started to turn in bends and switchback . 公路變成了那種“之”字形的盤山路。
Even at this hour it was acrawl with men , builders pushing up a new switchback stair to join the remnants of the old 這么早長城上就擠滿了人;工匠們正在將一段新旋梯接補到殘破的舊樓梯上。
From the arch we climb up a precipitous switchback road , and through a magnificent , mile long , tunnel that has been blasted into the navajo sandstone 大的莫哈維沙漠,翠綠的約書亞樹,點綴在一望無際的黃沙中,別有一番情趣。