The placement of the glass cup creates a partial vacuum, which is believed to stimulate muscles and blood flow, while relieving pain.

这种放置方法会形成部分真空，据说这样能舒展肌肉，促进血液流通，从而缓解疼痛。

youdao

The glass cup fell on the ground and the broken pieces went everywhere.

玻璃杯掉到地下摔碎了，碎片散了一地。

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If you go to Japan, you will see, everything is clean, even a small glass cup.

如果你去日本，你就会看到，所有的东西都非常干净，即使是这样一个小小的茶杯。

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She ordered six oysters,a chop, something sweet, a glass of wine and a cup of coffee.

VOA: special.2009.09.05

In the first part, a teaser with several references to the British event of the decade premiered on August 25, in which a regular can of Brahma beer (the royal) and a glass cup (the commoner) are treated as celebrities, even with speculations about the can possibly being pregnant.

FORBES: Brazil's AmBev Transforms Beer Cans Into Drinking Cups

Carefully pour the hot oil into a glass measuring cup, leaving as many of the browned particles in the pan as possible.

NPR: The Comforts of Food

Plastic bottle from the bar well splashed into a plastic shot glass that resembled the little cup the comes with a bottle of cough medicine.

FORBES: Tequila Tasting 101 With Patron Billionaire John Paul DeJoria