名词
中文翻译：茎管
同义词：
['stem', 'tube', 'canal', 'conduit']
例句：
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1.The stem tube is used to transport waterfrom the roots to the leaves.
茎管用于将水分从根部输送到叶子。
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2.The stem tube was damaged during the constructionof the bridge.
在建造这座桥的过程中，茎管受损了。
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3. Thestem tube is essential forthe proper functioning of theplant's photosynthesisprocess.
茎管对于植物光合作用过程的正常运作至关重要。