名词
中文翻译：茎条
同义词：
['bar', 'rod', 'stem', 'pole']
例句：
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1.The carpenter used a saw to cut the wood into bars for the fence.
木匠用锯子将木材切成棒材，用来做篱笆。
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2. The engineer designed the new machine with a special bar system that could adjust the height of the parts.
工程师设计了一种新的机器，带有特殊的棒材系统，可以调整部件的高度。
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3.The scientist conducted experiments using different types of bar samples to test their strength and durability.
科学家使用不同类型的棒材样本进行实验，以测试它们的强度和耐用性。