名词
中文翻译:Unknown
同义词:
['periphery', 'outer layer', 'external layer']
例句:
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1. The skin is the outer layer of the human body.
皮肤是人体最外层的组织。
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2. The fruit has a hard outer layer that protects it from damage.
这种水果有一个硬的外层,可以保护它免受损害。
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3. The planet's outer layer is made up of rocks and dust.
行星的最外层是由岩石和尘埃组成的。