keep your mouth moist
保持口腔湿润
以上为机器翻译结果，长、整句建议使用 人工翻译 。
For example, your doctor may recommend that you suck on a piece of sugar-free candy or chew sugar-free gum to relieve dry mouth, and use eyedrops to keep your eyes moist.
CNN: Overactive bladder
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