Phagedenic gingivitis
[醫] 崩蝕性齦炎
?? 詞語組成解析
[醫] 崩蝕性潰瘍的, 蝕瘡的
n. 齒齦炎
??? 情景例句
You must be very tired after the journey.
旅行之后，您一定累了吧！
He went to the post office to mail a letter.
他去了郵局寄信。
It's a bit small, isn't it?
缸不小嗎？