名词
中文翻译：带环测试同义词
同义词：
['belly button test', 'girdle test', 'ring test']
例句：
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1. This is the girdle test that we need to perform before surgery.
这是我们在手术前需要进行的带环测试。
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2. The girdle test was used to determine the fetal position.
带环测试被用来确定胎儿的位置。
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3. The girdle test is a simple way to check for pregnancy.
带环测试是一种简单的方式来检查是否怀孕。