grommet
US
UK grommet n: (metal loop)
SC 金属圈
TC 金屬圈
TC 金屬圈
One of the grommets has come off the canvas.
grommets npl: (medical: ear drain)
SC 鼓室引流管 gǔ shì yǐn liú guǎn
SC 中耳引流管 gǔ shì yǐn liú guǎn，zhōng ěr yǐn liú guǎn
Tim had to have grommets inserted in his eardrums to drain the fluid that had acculumated.
蒂姆不得不采用中耳引流管插入耳膜的方法来排出积液。