Calcic gingivitis
[医] 垢性龈炎, 牙石性龈炎
🧩 词语组成解析
a. 钙的, 含钙的\\n[化] 石灰的; 钙的
n. 齿龈炎
🗣️ 情景例句
Lacks planning for career, has no purpose or goals.
对自己的事业没有安排，没有目标和理想。
From 4 to 4:30.
四点到四点半。
Late that morning, when I was doing the housework, My husband phoned me from the office.
那天下午的晚些时候，当我正做家务时，我丈夫从办公室打来电话。