名词
中文翻译：外壳
同义词：
['shell', 'outer casing', 'cover例句：1. The new phone has a sleek casing and a large screen.（这款新手机拥有光滑的外壳和大屏幕。）2. The scientist used a casing to protect the delicate experiment.（科学家用一个外壳来保护这个精密的实验。）']
例句：
-
1. The new phone has a sleek casing and a large screen.
这款新手机拥有光滑的外壳和大屏幕。
-
2. The scientist used a casing to protect the delicate experiment.
科学家用一个外壳来保护这个精密的实验。
-
3.The casing is made of plastic, which makes it easy to carry around.
这个外壳是用塑料做的，所以很容易携带。