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歯槽膿漏， しそうのうろう
1. periodontitis, pyorrhea, pyorrhoea, pyorrhea alveolaris, inflammation of the gingiva (gums) resulting in bone loss
牙周炎，牙槽脓漏，牙槽脓漏症，牙槽脓漏，牙龈（牙龈）炎症导致骨质流失
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ある， 有る， 在る
1. to be, to exist, to live
2. to have
3. to be located
4. to be equipped with
5. to happen, to come about
有，存在；有，拥有；发生；位于；配备
が
1. indicates the subject of a sentence
2. indicates possession
3. but, however, (and) yet, though, although, while
4. and
5. used after an introductory remark or explanation
6. regardless of ..., whether ... (or not), no matter ...
7. indicates a des...
tbd
