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1. We need to clean the cupping glass before we use it again.
我们需要在再次使用之前清洁吸管杯。
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2. The cupping glass was made of clear glass, which allowed us to see what was inside.
这个吸管杯是用透明的玻璃制成的，这样我们就可以看到里面的东西了。
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3. The cupping glass is a useful tool for holding liquids, such as water or tea.
吸管杯是一种有用的工具，可以用来装液体，比如水或茶。