名词
中文翻译：树瘤
同义词：
['stomata', 'sclerotium例句：1. The tree had several rachillas growing on it.（这棵树上长了几个树瘤。）']
例句：
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1. The tree had several rachillas growing on it.
这棵树上长了几个树瘤。
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2. The scientist found a rachilla in the soil samples.
科学家在土壤样本中发现了树瘤。
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3.The rachilla was removed before the tree could be cut down.
在砍倒这棵树之前，先移除了树瘤。