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 do you work?, What school do you go to?
“你在哪工作？”，“你在哪儿上学？”。
No one can call back yesterday;Yesterday will not be called again.
昨日不复来。
Let's buy a newspaper, Liz.
我们买份报纸吧。莉兹。