flat wracks造句

例句与造句

1. Along the lower shore the coarse grained rocks are partly covered by brown seaweeds such as Flat wrack " ( Fucus spiralis ) " and Knotted wrack " Ascophyllum nodosum ", while pools and crevices in the rocks provide shelter for a wide variety of algal species, such as the red seaweed " Corallina officinalis ".
2. It's difficult to find flat wracks in a sentence. 用flat wracks造句挺难的