Preventive medicine
[医] 预防医学
🧩 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;
🗣️ 情景例句
Oh. I have the key. Grandpa sent it to me.
啊。钥匙在这里。爷爷寄来给我的。
Go three blocks and make a right. It's right there.
过3个街区，然后往右拐。那里就有个邮局。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。