吃透英语课本，提升在校竞争力
adj. 知名的；出了名的；已知的
v. 知道；认识；“know”的过去分词
her last known address
她最后一个为人所知的地址
a study of all the known facts
对所有已知事实的研究
Apart from vaccines, there is no known way to protect against meningitis.
除了使用疫苗外，还未发现其他预防脑膜炎的方法。
should have known
本应该知道
known for
因…而闻名
known quantity
n. 熟知的人或事；已知量
well known
众所周知的；出名的
make known
表明，公布；报告；透露
known about
知道关于……的事情
known as
被认为是，被称为；以…而著称
best known
最著名的
as known to all
众所周知
as is well known
