co.tid.al

adj.（形容詞）
Indicating coincidence of high tides or low tides.
表示低潮與高潮同時(shí)的
Of or relating to a line that passes through each location on a coastal map where tides occur at the same time of day.
同潮線(xiàn)的：沿岸地圖上穿過(guò)一天中同時(shí)有潮經(jīng)過(guò)的地點(diǎn)的連線(xiàn)的，或與等潮線(xiàn)有關(guān)的