crust

crust的音标为[krʌst]，基本翻译为“外壳；硬壳；表层；地壳；面包皮”。

速记技巧：可以记作“krust”，把“k”想象成“壳”的形状，帮助联想到单词的含义。

Crust这个词的词源可以追溯到拉丁语“crusta”，意为“壳”或“硬皮”。它的变化形式包括名词crust（硬壳）和动词crust（覆盖）。

相关单词：

crusty：形容人或物表面坚硬或顽固不化的。

crustacean：甲壳类动物，如螃蟹、龙虾等。

crustacean shell：甲壳动物的壳。

crust formation：地壳形成，地质学上的术语。

crustacean soup：蟹肉汤。

crust over：表面覆盖，比喻掩盖真相或问题。

crust formation on the ocean floor：海底的地壳形成。

crust formation in the crustacean shell：甲壳动物的壳内形成的硬壳。

crust of ice：冰壳。

以上这些单词都与crust这个词源有直接或间接的联系，体现了其丰富的词义和变化形式。

常用短语：

1. crust of dirt

2. skin of the game

3. crustacean

4. crusty

5. crustacean shell

6. crustacean flesh

7. crustacean shell fragments

例句：

1. The ground was covered with a crust of dirt after the storm.

2. He was paid a pittance for his work, just the skin of the game.

3. The crustacean was caught in a fishing net and released back into the sea.

4. The crusty old man was known for his gruff and unpleasant demeanor.

5. The remains of the crustacean shell fragments were scattered all over the beach.

6. The crustacean flesh was delicious and full of flavor.

7. The beach was littered with crustacean shell fragments from the previous day"s storm.

英文小作文：

Crustaceans are fascinating creatures that have fascinated mankind for thousands of years. From their unique shell structures to their fascinating feeding habits, crustaceans have captivated us with their beauty and mystery. However, crustaceans are also a crucial part of our ecosystem, providing food and habitat for other species and playing a vital role in maintaining the balance of nature. As we continue to explore and understand these fascinating creatures, we must also ensure that we protect them and preserve their habitats for future generations to enjoy.