名词
中文翻译：硬壳
同义词：
['shell', 'casing', 'outer shell']
例句：
-
1.The scientist discovered a new type of Dacrolon in the ocean depths.
科学家在海洋深处发现了一种新的Dacrolon。
-
2.The Dacrolon is made from a special material that is strong and durable.
这种Dacrolon是由一种特殊材料制成的，既坚固又耐用。
-
3. The Dacrolon was used as a protective layer on the ship's hull.
这种Dacrolon被用作船体的保护层。