Pellagral gingivitis
[醫] 糙皮病性齦炎, 蜀黍紅斑性齦炎
?? 詞語組成解析
[醫] 糙皮病的, 蜀黍紅斑的
n. 齒齦炎
??? 情景例句
It was on his birthday, June second, two years ago.
是在他生日那天。兩年前的六月二日。
First think, and then speak.
先想后說。
Is this your first visit to our showroom.
您是第一次到我們展示室來的吧。