| 释义 |
sand dollar noun[ C ] uk /ˈsænd ˌdɒl.ər/ us /ˈsænd ˌdɑː.lɚ/ a flat type of sea urchin(= a small sea creature with a round shell covered with sharp points) that lives partly in sand below the surface of the water. The outer skeletons(= the bony frame supporting the body) of dead sand dollars are often found on beaches: 饼海胆,沙钱 Sand dollars are marine creatures that are roughly the size of the palm of your hand.沙钱是一种海洋生物,大约有手掌大小。 She spent a carefree hour on the beach searching for sand dollars.她在海滩上无忧无虑地玩了一个小时,寻找沙钱。 choicegraphx/E+/GettyImages Sand dollars are often easy to find along the high tide line. Living sand dollars are covered with velvety, purple spines used to grab food particles. A wreath on the front door was decorated with sand dollars and starfish. SMART Vocabulary: related words and phrases Sea creatures abalone amphipod anemone barnacle barrier reef cowrie crab cray crayfish crustacean littleneck clam lobster marron mollusc mussel shipworm shrimp snow crab soft-shell clam squid |