Bismuth gingivitis
[医] 铋毒性龈炎
🧩 词语组成解析
bismuth
['bizməθ]
n. 铋;
n. 齿龈炎
🗣️ 情景例句
so it's my pleasure
所以现在我很乐意
We shall never have friends if we expect to find them without fault.
指望朋友无缺点，永远休想交朋友。
Thank you.
谢谢！