And because they feared that they might run aground on Syrtis, they lowered the gear and so were driven along.
又恐怕撞在赛耳底沙滩上, 就放下帆来, 任船飘流。

Fearing that they would run aground on the sandbars of Syrtis, they lowered the sea anchor and let the ship be driven along.
又恐怕在赛耳底沙滩上搁了浅, 就落下篷来, 任船飘去。

Near the Martian equator sits a volcano 1, 100 kilometers in diameter named Syrtis Major.
在火星的赤道附近, 座落著一个直径1100公里的火山, 称为大三角。