along period of time长期

along coast of china中国沿岸

along grain of wood纵剖木纹

along stairs of sand往下

along stretch of open road长长的郊野公路

railway along coast of island环岛铁路

along the edge of在…的边缘

along the lines of类似;类似这样

along the length of沿着

along the coast of China沿着中国沿海