You may want to see a periodontist -- a dentist who specializes in gum disease -- if your gum problems persist or seem to get worse.是什么意思_You may want to see a periodontist -- a dentist who specializes in gum disease -- if your gum problems persist or seem to get worse.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句