名词中文翻译1
中文翻译：Unknown
同义词：
['hollow', 'hollow core', 'hollow rib']
例句：
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1. The tree has a hollow pith that makes it easy to cut through.
这棵树有一个空心的茎，很容易砍断。
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2. The hollow pith of the fruit is filled with air and water.
这种水果的空心部分充满了空气和水。
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3. The hollow pith of the bamboo is used for making musical instruments.
竹子的空心部分被用来制作乐器。