Simplex periodontitis
[医] 单纯性牙周炎
🧩 词语组成解析
simplex
['sɪmpleks]
adj. 单纯的，单一的;
n. 单层公寓;单形;
[医] 牙周炎
🗣️ 情景例句
Say good-bye to Richard.
替我向Richard说声再见。
She has gone to take a look at the art gallery.
她为了参观美术品陈列馆而出去了。
After he had put it on the floor, he promptly went to sleep again.
他把床垫往地板上一放，很快又睡着了。