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这个杯子的杯盖掉了,我需要换一个。
The lid of this cup fell off; I need to replace it.
A removable cover for a drinking cup, typically used to prevent spills or keep the contents warm.
请给我一个带杯盖的杯子。
Please give me a cup with a lid.
这个杯盖密封很好,可以保温。
This cup lid seals well and can keep drinks warm.
Commonly used in contexts involving travel mugs, insulated bottles, or disposable cups.
杯子 means 'cup' (the container), while 盖子 means 'lid' (a general term for any cover). 杯盖 specifically refers to a lid designed for a cup.
Compound of 杯 (bēi, 'cup') and 盖 (gài, 'lid'). Both characters are native Chinese morphemes.
杯盖 is a practical term often used in daily life, especially for cups designed for travel or insulation. In some regions, 杯盖儿 (with the diminutive suffix 儿) is also common.