名词
中文翻译：Unknown
同义词：
['pipe', 'tube', 'conduit', 'siphon', 'aerate例句：1. The pipe was so old that it had to be replaced.（这个管子太旧了，不得不更换。）']
例句：
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1. The pipe was so old that it had to be replaced.
这个管子太旧了，不得不更换。
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2.The engineer used a tube to deliver the gas.
工程师用一根管子输送气体。
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3. The siphon was used to collect water from a well.
这个虹吸管用来从井里收集水。