Preventive dentistry
[医] 预防牙科学
🧩 词语组成解析
preventive
[pri'ventiv, pri:-]
n. 预防;防止;预防措施;预防药;
adj. 预防的;防止的;
dentistry
['dentistri]
n. 牙医业;牙医学;牙科医术;
🗣️ 情景例句
Where did you come from?
你从哪里来？
I understand completely.
我完全理解。
Broadly speaking, human beings may be divided into three classes: those who are toiled to death,
劳累至死的人、