Known quantity
[计] 已知量
🧩 词语组成解析
known
[nəun]
adj. 大家知道的;已知的;知名的;向某人作自我介绍;
v. 知道( know的过去分词 );看到过;听到过;经历过;
🗣️ 情景例句
Are you a Republican, or a Democrat?
你是共和党人还是民主党人？
Excuse me to have kept you waiting.
对不起让你就等了。
Over the periods their saliva, a mild, digestive juice like our own, was converted into a poison that defies analysis even today.
蛇的唾液本来和我们人的消化液一样柔和，但经过漫长的时间，演变成了今天仍无法分析清楚的毒液。