海树，又名石帆或黑珊瑚、碧珊瑚，有金黄、墨黑、赭红三种颜色。多半是渔民捕鱼时从海中打捞而起，由于硬度比珊瑚差，价格也低得多。但是海树性寒，耐火度高，色泽恒久，为制造烟斗的最佳材料。
沿着海岸线也有很多高大的棕榈树，人工海岛由海底的海沙填成，并有防波堤保护。
Gigantic palm trees also sprouted along the coast-artificial islands made from sea-floor sand protected by rock breakwaters.
成行的棕榈树在加勒比海坎昆的热带海滩上排成了行。
Rows of palm trees line a tropical beach in Cancun, which lies on the Caribbean Sea.
眼光放高点不要把河当成海，你只见过树未进过森林。
Sights high don't put the river as the sea, and you only met without trees into a forest.
应用推荐