名词
中文翻译：髓质
同义词：
['root', "cortex例句：1. The radicular pulp is the part of a tree that contains the roots.（髓质是一棵树包含根的部分。）2. The cortex is the outer layer of a plant's stem", 'which contains the vascular tissue.（皮层是植物茎的外层，包含有血管组织。）']
例句：
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1. The radicular pulp is the part of a tree that contains the roots.
髓质是一棵树包含根的部分。
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2. The cortex is the outer layer of a plant's stem, which contains the vascular tissue.
皮层是植物茎的外层，包含有血管组织。
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3. The root system of a plant is made up of radicular pulp and the surrounding soil.
植物的根系由髓质和周围的土壤组成。