Use an extra soft toothbrush.

使用带有超软毛的牙刷。

youdao

Gently brush the diamond jewelry with a soft toothbrush while it is in the suds.

将钻饰浸在泡沫中，用一软牙刷轻轻地刷。

youdao

Solution: The gentlest way to clean and brighten all kinds of jewelry is to scrub with a soft toothbrush dipped in warm water that's been spiked with a few drops of dishwashing liquid.

处理方法：最温和的清洗方法就是，在温水中滴入几滴洗洁精，然后用牙刷蘸着温水慢慢刷洗首饰。这样首饰就变得光亮清洁。

youdao

When both were younger and growing up in the same household, the dentist would prescribe special toothpaste with antiseptic and aromatic qualities, in addition to a medicinal mouthwash, and a very soft toothbrush with which he was to clean his teeth.

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